PE Mechanical Engineering: Thermal and Fluid Systems — Information & Free Practice
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PE Mechanical Engineering: Thermal and Fluid Systems
- Provider
- NCEES
- Format
- Computer based, closed book with an electronic reference
- Exam questions
- Total questions: 80; The total includes the scored and unscored questions.
- Time limit
- 9-hour appointment including tutorial and optional break
- Exam fee
- $400
Examination outline
The authority publishes question-count ranges for each content area. The practice percentages below use the midpoint of each range, normalized to 100%; they are not exact percentages published by the authority. Practice question counts may differ slightly because of rounding.
Thermal/Fluid Principles — Official range: 19–29 questions (Practice allocation: 27.12%)
- Heat Transfer Principles
- Thermodynamic Principles
- Fluid Principles
Fluid Equipment and Distribution Systems — Official range: 17–26 questions (Practice allocation: 24.29%)
- Piping Components and Connections
- Fluid Distribution Systems
- Pumps and Fans
- Compressors, Nozzles, and Diffusers
Power Systems and Components — Official range: 17–26 questions (Practice allocation: 24.29%)
- Turbines
- Boilers, Steam Generators, and Waste Heat Recovery
- Condensers
- Power Cycles
Cooling/Heating Systems and Components — Official range: 12–18 questions (Practice allocation: 16.95%)
- Heat Exchangers
- Cooling Towers
- Refrigeration Cycles and Heat Pumps
Supportive Knowledge (Thermal and Fluid Systems) — Official range: 5–8 questions (Practice allocation: 7.34%)
- Economic Analysis
- Project Planning and Scheduling
- Electrical Concepts
- Material and Stress Analysis
- Interpretation and Application of Codes and Standards
Examination sources
- NCEES PE Mechanical
Exam Specifications introduction
- NCEES Thermal and Fluid Systems Specifications
page 1, title
- NCEES Thermal and Fluid Systems Specifications
page 1, effective-version line
- NCEES Thermal and Fluid Systems Specifications
page 1, introductory bullets
- NCEES Thermal and Fluid Systems Specifications
page 1, appointment-duration bullet
- NCEES Exam Scoring
The Exam Scoring Process
- NCEES Examinee Guide May 2026
page 11, Understanding Exam Format
- NCEES PE Mechanical
registration paragraph
- NCEES PE Mechanical
fee and licensing-board paragraph
- NCEES Examinee Guide May 2026
page 2, Registering for Your Exam