Preparing for the FE Mechanical Exam
The FE Mechanical exam tests fundamental knowledge across the core mechanical engineering curriculum. With content spanning from thermodynamics and heat transfer to mechanical design and controls, a strategic study plan that prioritizes high-weight topics is essential for success.
Content Area Analysis
The FE Mechanical exam covers 12 content areas. Understanding their relative weights helps you allocate study time effectively:
High-Weight Areas (7-11% each)
- Statics: Force systems, equilibrium, trusses, centroids, moments of inertia, friction
- Dynamics: Kinematics, kinetics, work-energy, impulse-momentum, vibrations
- Mechanics of Materials: Stress, strain, beam bending, torsion, column buckling, combined loading, Mohr's circle
- Fluid Mechanics: Fluid properties, statics, Bernoulli, pipe flow, dimensional analysis, pump systems
- Thermodynamics: Laws, properties, ideal gas, cycles (Carnot, Rankine, Otto, Diesel, Brayton), refrigeration
- Heat Transfer: Conduction, convection, radiation, heat exchangers (LMTD, effectiveness-NTU), fins
- Mechanical Design: Stress concentration, fatigue, failure theories, bolted joints, gear analysis, bearing selection
These seven areas account for the vast majority of the exam. Master them and you have a strong foundation for passing.
Moderate-Weight Areas (5-9% each)
- Mathematics and Statistics (6-9%): Calculus, differential equations, linear algebra, probability, statistics
- Measurements and Controls (5-8%): Instrumentation, sensors, feedback control systems, transfer functions, stability
- Material Properties (5-8%): Stress-strain behavior, phase diagrams, heat treatment, material testing, failure modes
Lower-Weight Areas (3-5% each)
- Ethics and Professional Practice (3-5%)
- Engineering Economics (3-5%)
Study Plan: 10-Week Schedule
Weeks 1-2: Mathematics, Statics, and Dynamics
Start with the mathematical foundations that support all other topics. Review calculus, differential equations, and statistics. Then cover statics (equilibrium, trusses, centroids) and dynamics (kinematics, kinetics, energy methods, impulse-momentum). These are prerequisite topics for mechanics of materials and other advanced areas.
Weeks 3-4: Mechanics of Materials and Material Properties
Study stress and strain, axial loading, torsion, beam bending (flexure and shear formulas), beam deflection, column buckling, combined loading, and Mohr's circle. Cover material properties including stress-strain curves, failure modes, phase diagrams, and heat treatment. These topics are heavily interconnected.
Weeks 5-6: Thermodynamics and Heat Transfer
Cover the laws of thermodynamics, ideal gas processes, property tables (steam tables, refrigerant tables), power cycles, and refrigeration cycles. Then study heat transfer: conduction (plane wall, radial systems), convection (internal and external flow correlations), radiation (Stefan-Boltzmann law, view factors), and heat exchangers (LMTD and effectiveness-NTU methods).
Weeks 7-8: Fluid Mechanics, Mechanical Design, and Controls
Cover fluid mechanics (hydrostatics, Bernoulli, pipe flow, pump systems) and mechanical design (stress concentrations, fatigue life, failure theories, bolted joints, gear and bearing basics). Study measurements and controls (sensor types, feedback control, transfer functions, stability criteria, Bode plots).
Week 9: Engineering Economics, Ethics, and Practice Exam
Study engineering economics (time value of money, present worth, annual worth, depreciation) and ethics (NCEES Model Rules). Take a full-length practice exam under timed conditions. Analyze your results and identify areas needing additional review.
Week 10: Targeted Review and Final Preparation
Focus on your weakest areas as identified by the practice exam. Take a second practice exam if time allows. Review key formulas and reference handbook locations. Rest the final 1 to 2 days before the exam.
FE Mechanical-Specific Tips
- Thermodynamics and heat transfer together can account for up to 22% of the exam. If these are your weak areas, invest extra time here.
- Mechanical design questions often involve applying failure theories (von Mises, maximum shear stress) to combined loading scenarios. Practice these multi-step problems.
- The FE Mechanical exam has more emphasis on dynamics than the FE Civil exam. Ensure you are comfortable with particle and rigid body kinetics, energy methods, and basic vibrations.
- Measurements and controls questions may include transfer functions, block diagrams, and Bode plot interpretation. Review these if your coursework did not cover them deeply.
- Fluid mechanics on the FE Mechanical exam focuses on pipe systems, pump selection, and dimensional analysis rather than open channel flow (which is more of a civil topic).
- Material properties questions test your understanding of material behavior, testing methods, and selection criteria. Review stress-strain curves, fatigue S-N curves, and the iron-carbon phase diagram.
The Advantage of Depth
The FE Mechanical exam is narrower than the FE Civil exam, with fewer content areas but more depth in each area. This means you can develop a stronger understanding of each topic rather than spreading yourself thin across many topics. Use this to your advantage by studying each high-weight area thoroughly rather than rushing through all 12 areas superficially.