200+ Free PE Mechanical Practice Questions
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Key Facts: PE Mechanical Exam
80
Exam Questions
NCEES
8 hrs
Test Time
NCEES
69%
Avg Pass Rate
NCEES 2024
$400
Exam Fee
NCEES
7
Content Areas
NCEES
9 hrs
Total Appointment
NCEES
The PE Mechanical exam has first-time pass rates of 66-72%, making it one of the more achievable PE exams. The 80-question computer-based exam allows 9 hours total (including tutorial and break). The exam uses the NCEES PE Mechanical Reference Handbook. The exam covers a broad range of mechanical engineering topics with emphasis on design and analysis. Strong preparation in thermodynamics, fluid mechanics, and mechanical design is essential.
About the PE Mechanical Exam
The NCEES PE Mechanical exam is an 80-question computer-based test designed for engineers with a minimum of four years of post-college work experience. The exam covers seven content areas: Mechanical Design & Analysis (25%), HVAC & Refrigeration (18%), Thermal & Fluid Systems (15%), Power Plants & Energy (15%), Materials & Processing (12%), Measurements/Instrumentation/Controls (10%), and Ethics & Professional Practice (5%). The exam emphasizes practical application of engineering principles.
Questions
80 scored questions
Time Limit
8 hours
Passing Score
Approximately 70% (scaled)
Exam Fee
$400 (NCEES (Pearson VUE))
PE Mechanical Exam Content Outline
Mechanical Design & Analysis
Stress analysis, failure theories, fatigue, bearings, power transmission, kinematics, vibrations, statics, dynamics
HVAC & Refrigeration
Thermodynamics, psychrometrics, refrigeration cycles, load calculations, equipment selection, air distribution
Thermal & Fluid Systems
Heat transfer, fluid mechanics, fluid dynamics, compressible flow, pump/power calculations
Power Plants & Energy
Power cycles, turbines, steam generators, combustion, renewable energy, combined cycles
Materials & Processing
Material properties, manufacturing processes, materials selection, surface conditions, corrosion
Measurements/Instrumentation/Controls
Sensors, control systems, instrumentation, data acquisition
Ethics & Professional Practice
Engineering ethics, licensure law, professional responsibility
How to Pass the PE Mechanical Exam
What You Need to Know
- Passing score: Approximately 70% (scaled)
- Exam length: 80 questions
- Time limit: 8 hours
- Exam fee: $400
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
PE Mechanical Study Tips from Top Performers
Frequently Asked Questions
What is the PE Mechanical exam pass rate?
First-time takers have a pass rate of 66-72% (NCEES 2024 data), which is higher than many other PE exams. Repeat takers have a significantly lower pass rate of approximately 30-40%. The higher first-time pass rate reflects the strong preparation of mechanical engineering candidates and the broad alignment with academic training.
How hard is the PE Mechanical exam?
The PE Mechanical exam is considered moderately challenging. It covers a wide range of mechanical engineering topics, but the content aligns well with typical mechanical engineering curricula. Most successful candidates study 200-300 hours over 3-6 months. The exam tests application of engineering principles and requires familiarity with the NCEES reference handbook.
What are the PE Mechanical exam requirements?
To take the PE Mechanical exam, you need: (1) a bachelor's degree from an ABET-accredited engineering program, (2) passing the FE exam, (3) typically 4 years of progressive engineering experience (varies by state), and (4) state board approval. Some states have additional requirements like references or specific coursework. Foreign degree holders may need additional evaluation.
What changed in the latest PE Mechanical exam specifications?
Recent exam specifications updated the topic weights and organization. Key topics now include: Mechanical Design & Analysis (25%), HVAC & Refrigeration (18%), Thermal & Fluid Systems (15%), Power Plants & Energy (15%), Materials & Processing (12%), Measurements/Instrumentation/Controls (10%), and Ethics (5%). The exam emphasizes practical engineering applications and design.
What references are provided during the exam?
NCEES provides the PE Mechanical Reference Handbook as a searchable PDF during the exam. You cannot bring personal reference materials. It's critical to familiarize yourself with the electronic handbook format before exam day. The handbook includes formulas, tables, and reference data needed to solve exam problems.
What topics are most heavily tested on the PE Mechanical exam?
The most heavily weighted topics are Mechanical Design & Analysis (25%) and HVAC & Refrigeration (18%). Within these areas, expect questions on stress analysis, failure theories, fatigue, bearings, thermodynamics, psychrometrics, and refrigeration cycles. The exam balances theoretical knowledge with practical design problems.