Engineering Exam Prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - That Manning's equation has two forms; the 1.49 constant must only be used for US Customary units, while SI units use a constant of 1.0. - How to correctly calculate the hydraulic radius (R) as the flow area (A) divided by the wetted perimeter (P), ensuring not to include the top water surface in the perimeter. - To anticipate exam questions that require rearranging Manning's equation, often combined with Q = VA, to solve for variables like slope (S) or normal depth (y). - That the Manning's roughness coefficient (n) is an empirical value based on channel material that will be provided or found in a table in the NCEES handbook. - The critical difference between normal depth (calculated with Manning's equation for uniform flow) and critical depth (related to minimum specific energy and Froude number = 1), a common source of confusion on the exam. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to find the system's operating point by intersecting the pump curve and system curve. - The critical difference between fluid power and brake horsepower, including the role of pump efficiency. - How the system curve is determined by static head and dynamic (friction) losses. - The definition of cavitation and why Net Positive Suction Head (NPSH) Available must always be greater than NPSH Required. - Common exam traps involving high altitudes or high fluid temperatures that can reduce NPSHA and cause cavitation. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The fundamental difference between major losses (pipe friction) and minor losses (fittings, valves, bends). - How to decide whether to use the universal Darcy-Weisbach equation or the water-only Hazen-Williams equation. - The correct procedure for using the Reynolds number and Moody Diagram to find the Darcy friction factor 'f'. - Common FE exam traps, including fluid type limitations for Hazen-Williams and unit consistency. - The methodology for calculating total system head loss by summing the major loss with all individual minor losses. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to calculate the Reynolds Number and ensure unit consistency, a common exam trap. - The critical thresholds for laminar and turbulent flow as defined in the NCEES FE Reference Handbook. - A step-by-step process for finding the friction factor using the Moody Diagram with relative roughness (ε/D). - How to apply the Darcy-Weisbach equation to calculate frictional head loss in a pipe system. - A mnemonic to remember the workflow: Reynolds number, flow regime, Moody diagram, and head loss calculation. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The Continuity Equation (A1V1 = A2V2) applies to incompressible flow and shows how fluid velocity must increase as the cross-sectional area decreases. - Bernoulli's equation is a statement of energy conservation for an ideal fluid, balancing pressure head, velocity head, and elevation head, but it is only valid for steady, incompressible, and frictionless flow. - The Momentum Equation (F = ρQΔV) is used to calculate forces exerted by moving fluids, such as on pipe bends or vanes, and requires vector analysis. - A common exam trap is misapplying Bernoulli's equation where friction is present; in such cases, the full Energy Equation with a head loss term is necessary. - Remember that velocity and force in the Momentum Equation are vectors; always break the problem down into x and y components to solve for resultant forces correctly. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to apply Archimedes' principle to find the submerged depth of a floating object. - The definition and significance of metacentric height (GM) for determining the stability of floating bodies. - The step-by-step process to calculate GM using the formula from the NCEES FE Reference Handbook. - Common exam traps, including confusing the center of gravity (G) with the center of buoyancy (B) and selecting the correct moment of inertia. - A mnemonic, "GM Positive is Positively Stable," to quickly recall the stability criteria. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The resultant hydrostatic force on a submerged plane is calculated using the pressure at the area's centroid. - The center of pressure, where the resultant force acts, is always located at a point deeper than the centroid of the area. - How to distinguish between vertical depth (h_c) and inclined distance (y_c) to the centroid, a common source of error on the exam. - For curved surfaces, forces must be resolved into separate horizontal and vertical components for analysis. - The vertical force component on a submerged curved surface is equal to the weight of the fluid column directly above it. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The critical difference between mass density (ρ) and specific weight (γ) is the inclusion of gravity (g), a common exam tripwire. - Specific gravity (SG) is a unitless ratio comparing a substance's density to that of water, simplifying calculations with water's known constants (62.4 lb/ft³ or 9,810 N/m³). - Differentiating between dynamic viscosity (μ) and kinematic viscosity (ν) is crucial; always check the units given in the problem (e.g., Pa·s vs. m²/s) to select the correct formula. - Exam problems test viscosity primarily through Reynolds number calculations, where using the wrong viscosity leads to an incorrect flow regime classification. - The Bulk Modulus (K) quantifies a fluid's compressibility; a high K value, like water's, signifies that it can be treated as incompressible for most FE exam problems. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The key ASTM steel grades and their yield strengths: A36 (36 ksi), A992 (50 ksi), and Grade 60 rebar (60 ksi). - That the modulus of elasticity (E) for all structural steels is a constant 29,000 ksi, regardless of yield strength. - How to avoid the common exam trap confusing a steel's strength with its stiffness. - The purpose of different heat treatment processes: Annealing (softens), Quenching (hardens), and Tempering (toughens). - To recognize Brinell, Rockwell, and Vickers as the names of standard material hardness tests. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The specified compressive strength, f'c, is the 28-day strength used to calculate the modulus of elasticity, Ec. - The NCEES FE Reference Handbook formula for Modulus of Elasticity is Ec = 57,000√f'c, where f'c must be in psi. - The water-cement (w/c) ratio is the most critical factor controlling concrete strength; a lower ratio results in higher strength. - Concrete is strong in compression but weak in tension, which is why steel reinforcement is essential to handle tensile forces. - A common exam trap is a unit mismatch, such as using ksi instead of psi for f'c in the modulus of elasticity formula. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to identify the five key regions of a stress-strain curve: elastic, yielding, strain hardening, necking, and fracture. - The specific definitions of yield strength and ultimate tensile strength and how to locate them on the diagram. - The visual difference between ductile materials (like steel) and brittle materials (like cast iron) on a stress-strain curve. - Common FE exam questions, such as calculating the Modulus of Elasticity from the linear portion of the curve. - A mnemonic to easily remember the sequence of events on the curve: Every Young Student Understands Failure. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to correctly plot the initial stress state on Mohr's Circle using the NCEES sign convention for shear stress. - The formulas for calculating the circle's center (average normal stress) and its radius (maximum in-plane shear stress). - How to determine the principal stresses, which are the maximum and minimum normal stresses, directly from the circle's geometry. - The application of the superposition principle for combined loading problems to find the initial stresses needed for Mohr's Circle. - The critical relationship that a rotation of theta on a stress element corresponds to a rotation of 2-theta on Mohr's Circle. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The NCEES sign convention: Positive shear is down on the right face of a cut, and positive moment causes a beam to sag like a smile. - The graphical relationship where the slope of the shear diagram equals the negative of the distributed load intensity (dV/dx = -w). - The critical shear-moment relationship: The slope of the moment diagram equals the shear force value (dM/dx = V). - How to find maximum moment: The maximum bending moment always occurs at the point where the shear force diagram crosses zero. - The concentrated moment trap: A clockwise applied moment causes an immediate upward jump in the moment diagram, a common point of confusion. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The flexure formula, σ = Mc/I, is used to find the maximum bending stress at the outermost fiber of a beam's cross-section. - Section modulus (S = I/c) simplifies the stress calculation to σ = M/S and represents a beam's geometric efficiency in resisting bending. - A critical exam trap is failing to convert the bending moment (M) from kip-feet to kip-inches before calculating stress in kips per square inch (ksi). - For beam design problems, calculate the required section modulus (S_req = M/σ_allow) and then select the lightest W-shape from the NCEES Handbook tables that meets or exceeds this value. - The distance 'c' in the flexure formula is always the distance from the neutral axis to the extreme fiber, which is half the total depth for symmetric cross-sections. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to calculate maximum shear stress in a shaft and avoid the common radius versus diameter trap. - The correct application of the polar moment of inertia (J) for both solid and hollow circular shafts. - How to find the angle of twist and the critical final step of converting radians to degrees. - The essential unit conversion from RPM to radians per second required for all power transmission problems. - A simple mnemonic, "The Lazy Jay Goose," to easily recall the angle of twist formula, φ = TL/JG. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Understand that thermal strain (ε = αΔT) occurs with any temperature change, but thermal stress (σ = EαΔT) only develops if the object is constrained. - Recognize that a temperature increase in a constrained member results in compressive stress, while a temperature decrease results in tensile stress. - Be prepared to look up the Modulus of Elasticity (E) and the coefficient of thermal expansion (α) in the NCEES FE Reference Handbook. - Watch out for distractor information in exam problems, such as the initial length of a member when only stress is required. - Remember the key phrase: "No constraint, no stress" to avoid the common trap of calculating stress for a freely expanding object. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to apply the fundamental axial stress formula, σ = P/A, and avoid common unit conversion traps between ksi and psi. - The critical difference between axial strain (ε = δ/L) and absolute deformation (δ), a frequent point of confusion on the exam. - How to use Hooke's Law (σ = Eε) to derive and apply the essential deformation formula δ = PL/AE, using the mnemonic "PLEA". - The concept and application of Poisson's Ratio (ν = -ε_lateral/ε_axial) to solve for changes in a member's cross-sectional dimensions. - How to integrate these concepts to solve multi-step problems, such as finding the final diameter of a rod under axial load. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The critical difference between mass moment of inertia (resistance to rotation) and area moment of inertia (resistance to bending). - How to use NCEES Handbook formulas for common shapes like disks and rods and when to apply the Parallel Axis Theorem. - The correct application of the Parallel Axis Theorem (I = Ic + Md²) for objects rotating about a non-centroidal axis. - Calculating total kinetic energy for a rolling body by combining translational (½mv²) and rotational (½Iω²) components. - Essential unit conversions to avoid exam traps, specifically converting pounds-force (lbf) to slugs and RPM to radians per second. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to calculate the natural circular frequency (ω_n), period (T), and frequency (f) for an undamped SDOF system. - The critical importance of converting weight (lbf) to mass (slugs) and maintaining consistent units (USCS or SI). - The definition of the damping ratio (ζ) as the ratio of actual damping to critical damping (c/c_c). - How to classify a system as underdamped (ζ 1). - To identify the oscillatory behavior of underdamped systems versus the non-oscillatory return of critically damped and overdamped systems. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to relate angular velocity (ω) and acceleration (α) to the linear motion of any point on a rigid body. - The correct application of the rotational kinetics equation, ΣM = Iα, for problems involving pure rotation. - The concept of the Instantaneous Center of Zero Velocity (ICZV) to dramatically simplify velocity analysis. - How to identify and avoid common exam traps like unit conversions (RPM to rad/s) and sign conventions. - The special case of rolling without slipping, where the contact point with the surface acts as the ICZV. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The key differences between rectilinear (straight-line) and curvilinear (curved path) motion for the FE Civil exam. - How to apply normal-tangential (n-t) coordinates to calculate acceleration for particles on a curved path. - The crucial distinction between tangential acceleration (at), which changes speed, and normal acceleration (an), which changes direction. - A common exam trap: recognizing that even with constant speed on a curve, the normal acceleration (v²/ρ) is non-zero. - How to locate and use the correct particle kinematics equations in the Dynamics section of the NCEES FE Reference Handbook. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - To calculate composite centroids by treating removed sections as negative areas in the weighted average summation. - The parallel axis theorem, I = Ic + Ad², is essential for finding the moment of inertia of composite shapes, where 'd' is the distance from the component's centroid to the overall composite centroid. - That static friction is a variable force up to a maximum (μsN), while kinetic friction is a constant value (μkN) once motion begins. - To always check if the applied force overcomes maximum static friction before applying the kinetic friction formula. - In the belt friction formula, T2/T1 = e^(μβ), the wrap angle β must be converted from degrees to radians. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The fundamental difference between a frame (a stationary structure) and a machine (a structure with moving parts). - The primary analysis method for these structures: disassembling them at the pins and drawing a Free Body Diagram for each component. - How to apply Newton's Third Law at pin connections, where interaction forces between members are equal and opposite. - The critical shortcut of identifying a two-force member to simplify the direction of unknown forces. - A common exam trap: incorrectly assuming a member is a two-force member when an intermediate load is applied. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - When to choose the Method of Joints versus the Method of Sections to save time on the FE Civil exam. - The critical "two-unknown" limit for the Method of Joints and how to apply it by starting at the correct joint. - How to use the Method of Sections by making a cut through a maximum of three members to find specific forces quickly. - The importance of always calculating the external support reactions as the first step in any truss problem. - How to identify zero-force members to simplify the problem before starting calculations. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to apply the three fundamental equations of equilibrium for 2D rigid bodies. - The specific number of unknown reactions associated with pin, roller, and fixed supports. - The method to classify a structure as statically determinate, indeterminate, or unstable by comparing reactions to equations. - A critical exam strategy to solve for support reactions efficiently by summing moments about a pin support first. - How to avoid a common exam trap involving roller supports on inclined surfaces. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to resolve 2D forces into Rx and Ry components to find the resultant magnitude and direction. - The critical exam trap of determining the correct quadrant for the resultant angle based on the signs of the force components. - The extension of resultant calculations to 3D systems by including the z-component for both force and direction. - The key difference between concurrent systems (only a resultant force) and non-concurrent systems (a resultant force and a resultant moment). - That a couple creates a pure moment with zero resultant force, allowing its effect to be applied anywhere on a body. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to apply the principle of conservation of momentum (m1v1 + m2v2 = m1v1' + m2v2') to solve collision problems. - The correct formula for the coefficient of restitution, e = (v2' − v1') / (v1 − v2), and its application. - The key differences between elastic (e=1), inelastic (e<1), and perfectly plastic (e=0) collisions. - Common FE exam traps including sign conventions for velocity vectors and the specific subscript order in the restitution formula. - A mnemonic ('2 minus 1 over 1 minus 2') to correctly remember the structure of the coefficient of restitution equation. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The Work-Energy Theorem states that the net work performed on an object is equal to its change in kinetic energy (W_net = ΔKE). - How to apply the full conservation of energy equation, including non-conservative forces like friction (KE₁ + PE₁ + W_other = KE₂ + PE₂). - Why defining a consistent zero-potential energy reference point, or datum, is a critical first step in solving energy problems. - That the work done by friction is always a negative value, as it removes energy from the system, and is calculated as W_friction = -μ_k * N * d. - On an inclined plane, the normal force (N) is a component of the object's weight, calculated as N = mgcos(θ), which is crucial for finding the friction force. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to break down projectile motion problems into independent horizontal and vertical components. - The critical mistake of using the standard range formula for uneven ground and how to correctly solve for time of flight. - To apply the three fundamental constant acceleration equations found in the NCEES FE Reference Handbook. - How to identify common exam traps, such as incorrectly calculating total flight time or misusing sign conventions for acceleration. - The definition and application of the relative velocity equation for solving kinematics problems involving multiple moving objects. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - That mastering the Free Body Diagram (FBD) is the most critical first step for solving FE statics and dynamics problems; it requires isolating the body and drawing all external forces. - How Newton's First Law (ΣF = 0) provides the basis for the three equilibrium equations (ΣFx = 0, ΣFy = 0, ΣM = 0) used to solve all 2D statics problems. - To apply Newton's Second Law (ΣF = ma) for dynamics problems where the net forces cause acceleration, using the FBD as the starting point. - How to avoid common exam traps by correctly identifying support reactions: a roller has one force, a pin has two forces, and a fixed support has two forces and a moment. - A simple mnemonic for FBDs: I-A-R-E (Isolate, Applied Loads/Reactions, Axes, Equilibrium equations) to ensure a systematic approach. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The rule of thumb for matching significant figures to input data on the FE Exam. - How to use order-of-magnitude estimates to perform a sanity check and catch decimal errors. - The importance of meticulous unit cancellation to validate your equation setup. - How to spot common exam traps involving numerical precision and mixed unit systems. - A memorable mnemonic, U-S-E (Units, Significant Figures, Estimate), to verify your answers before finalizing. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The critical difference between pound-mass (lbm) for mass and pound-force (lbf) for force. - Why and when to use the gravitational conversion factor, gc, which is 32.174 lbm·ft/(lbf·s²). - How to correctly apply Newton's Second Law (F=ma) and energy equations (KE, PE) in US Customary units. - The common exam trap involving weight calculations where local gravity (g) is not equal to standard gravity. - Where to find gc in the NCEES FE Reference Handbook and how to spot questions requiring it. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The critical difference between mean and median and why the FE exam tests this with skewed data. - How to identify whether to use the sample (n-1) or population (N) formula for variance, a common exam trap. - The distinction between standard deviation and variance and why units matter on the exam. - The decision criteria for using a z-statistic versus a t-statistic when calculating confidence intervals. - How to quickly find and apply the correct values, like the z-value of 1.96 for a 95% confidence interval, using the NCEES Reference Handbook. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to quickly differentiate between Binomial, Normal, and Poisson distribution problems on the FE exam. - The correct application of the Binomial formula for scenarios with a fixed number of success/failure trials. - How to use the z-score and the NCEES FE Reference Handbook's z-table to solve Normal distribution questions. - The method for solving Poisson distribution problems involving event rates over a specific interval. - How to identify common exam traps, such as questions with "at least/at most" phrasing and problems with mismatched rate intervals. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to calculate the magnitude of a 3D vector using its i, j, and k components. - The definition of a unit vector and how to compute it by dividing a vector by its magnitude. - The direct relationship between a unit vector's components and the direction cosines (cosα, cosβ, cosγ). - The essential identity that the sum of the squares of the direction cosines equals one. - Common FE exam traps, such as sign errors, and confusing direction angles with direction cosines. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to quickly calculate 2x2 and 3x3 determinants using cofactor expansion as found in the NCEES Handbook. - The critical role of the determinant in finding a matrix inverse and why a determinant of zero means no inverse exists. - The setup and solution of the characteristic equation, det(A − λI) = 0, to find a matrix's eigenvalues. - Why matrix multiplication is not commutative (AB ≠ BA) and how this can be a trick on the exam. - How to efficiently solve systems of linear equations (Ax = b) using your calculator and the concept of the matrix inverse. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to solve first-order linear differential equations using the integrating factor method from the NCEES Handbook. - The procedure for solving second-order homogeneous differential equations by finding the roots of the characteristic equation. - The specific solution forms for the three cases of characteristic equation roots: real and distinct, real and repeated, and complex conjugate. - A common exam trap involving the missing 'x' multiplier in the solution for repeated roots. - When to apply Laplace transforms on the FE exam, particularly for problems with discontinuous inputs found in dynamics or circuits. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to properly select 'u' for u-substitution by finding a function whose derivative is also in the integrand. - To apply the LIATE mnemonic (Log, Inverse, Algebraic, Trig, Exponential) to correctly choose 'u' for integration by parts. - The critical exam strategy of always checking the NCEES Reference Handbook for common integral forms before attempting other methods. - Common exam traps like mishandling limits of integration in definite integrals and sign errors in the integration by parts formula. - That a definite integral is fundamentally asking for the net area under a curve between two points. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to find critical points by setting the first derivative to zero or finding where it's undefined. - The Second Derivative Test: a positive result means a local minimum (concave up), and a negative result means a local maximum (concave down). - L'Hopital's Rule is only for indeterminate forms (0/0 or ∞/∞) and requires differentiating the numerator and denominator separately. - The core technique for partial derivatives: treat all other variables as constants and differentiate normally. - A common exam trap is misapplying the quotient rule to L'Hopital's Rule or forgetting to check for an indeterminate form first. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to find a circle's center and radius from its general form by completing the square. - The primary application of the vector dot product on the FE exam: finding the angle between two vectors. - The physical meaning of the cross product's magnitude (area) and its result (a perpendicular vector). - How to apply the 3D distance formula, a common exam-style extension of the 2D formula. - A mnemonic to distinguish between the scalar result of a dot product and the vector result of a cross product. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Straight-line depreciation is a simple method calculated as (Initial Cost - Salvage Value) / Useful Life. - MACRS is an accelerated, tax-based depreciation method that uses percentage factors from tables in the NCEES Reference Handbook. - A critical exam trap is to remember that salvage value is always ignored in MACRS calculations, even if provided in the problem. - Book value represents the remaining value of an asset and is calculated as the Initial Cost - Accumulated Depreciation. - To calculate book value with MACRS, you must sum the annual depreciation amounts from each year up to the point in question. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why Net Present Value (NPV) is the definitive method for ranking mutually exclusive projects. - How to avoid the common FE exam trap of incorrectly choosing a project based on the highest Internal Rate of Return (IRR) or Benefit-Cost (B/C) ratio. - The specific accept/reject criteria for a single project using NPV (>0), IRR (>MARR), and B/C Ratio (>1). - Why IRR and B/C ratios can be misleading when comparing projects of different investment scales. - A memorable shortcut to recall the correct decision method: "N-P-V for the V-I-P (Very Important Project)." For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to interpret standard time value of money factor notation (X/Y, i, n) as 'Find X, Given Y'. - The application of single payment factors (P/F, F/P) versus uniform series factors (P/A, A/P, F/A, A/F). - How to solve loan payment and future goal savings problems using the Capital Recovery (A/P) and Sinking Fund (A/F) factors. - To identify the most common exam trap: mismatched interest compounding periods and payment periods. - A simple mnemonic, 'Want over Got,' to quickly select the correct TVM factor from the NCEES Handbook. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The standard requirement for PE licensure is typically four years of progressive engineering experience under a PE after passing the FE exam. - Many states offer experience credit for advanced degrees, such as one year for a master's or two for a doctorate, but rules vary significantly. - Some states have "decoupled" the PE exam from the experience requirement, allowing you to take the test early, though licensure is still granted only after experience is complete. - States like California have unique requirements, including fewer years of experience but additional state-specific exams on topics like seismic principles. - The most common mistake is assuming rules are the same everywhere; you must always verify requirements directly with your specific state's licensing board. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Engineers must disclose any known or potential conflict of interest to their employer or client, including financial, familial, or prior business relationships. - Accepting gifts of more than 'nominal value' is prohibited if there is a risk it could influence, or appear to influence, your professional judgment. - Receiving payment from multiple parties for the same service requires full written disclosure and consent from all interested parties. - The NCEES Reference Handbook's 'Ethics and Professional Practice' section is the definitive guide for these situational questions on the FE exam. - A key exam strategy for ethics questions is to always choose the path of greatest transparency and disclosure. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The engineer's first and foremost responsibility is to safeguard the public's health, safety, and welfare. - This paramount duty overrides all other obligations, including loyalty to an employer, client demands, or project budgets. - FE exam questions test this concept through situational scenarios involving conflicts of interest, pressure to compromise standards, and confidentiality dilemmas. - A common exam trap involves choosing an answer that delegates or ignores your personal ethical responsibility; the correct action is to refuse to comply with unsafe directives and report them through proper channels. - Use the mnemonic "Public over Paycheck" to quickly identify the correct course of action in complex ethics questions. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The FE exam is strictly pass/fail; you will not receive a numerical score. - The passing standard is set by subject matter experts using the Modified Angoff method, not a fixed percentage. - A failing result includes a diagnostic report showing your performance by subject area compared to passing candidates. - NCEES policy allows one attempt per testing window and a maximum of three attempts in a 12-month period. - The most effective retake strategy involves using your diagnostic report to focus study efforts on your weakest areas. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why the NCEES FE Reference Handbook is a navigation test, not a memory test. - How to use the Ctrl+F search function as your primary problem-solving strategy. - To identify and avoid common exam traps related to unit conversions and formula selection. - The importance of downloading and practicing exclusively with the official, current PDF version. - A mental shortcut, "Search, Don't Scroll," to maximize your speed and efficiency during the exam. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The exact NCEES-approved calculator models for the FE exam (TI-36X Pro, Casio fx-115/991, HP 35s) and why graphing calculators are banned. - How to use advanced functions like matrix solvers and complex number operations to save critical time on exam problems. - The most common and costly calculator mistake involving Degrees and Radians mode that can invalidate your calculations. - The consequences of bringing a non-approved calculator to the test center and the importance of checking the official NCEES list. - A memorable mnemonic (M.O.D.E.) to ensure your calculator is always set up correctly to avoid unforced errors. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Arrive 30 minutes early with a valid, government-issued photo ID that exactly matches your NCEES registration name. - The 6-hour appointment includes a tutorial and a 25-minute scheduled break, with 5 hours and 20 minutes of actual testing time. - Rely on your own NCEES-approved physical calculator, as the provided on-screen version is inefficient for exam conditions. - The exam clock does not stop for unscheduled breaks, so any time away from your seat is time lost on the exam. - Use the 'flag for review' feature to manage your time, ensuring you answer all questions you know before returning to more difficult ones. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep