Exam Code: M2
Exam Name: Commercial Mechanical Inspector
Certification Provider: International Code Council
Corresponding Certification: Commercial Inspector

Prepare with International Code Council : M2 exam braindumps as your best preparation materials

M2

Updated: Nov 02, 2026

No. of Questions: 52 Questions & Answers with Testing Engine

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International Code Council M2 Exam Overview:

Certification Vendor:International Code Council
Exam Name:Commercial Mechanical Inspector
Exam Number:M2
Related Certifications:C5 Commercial Combination Inspector
M5 Mechanical Inspector
M8 Mechanical Code Specialist
Exam Format:Multiple Choice, Open Book
Certificate Validity Period:3 years
Exam Price:$320 USD
Exam Duration:120 minutes
Available Languages:English
Real Exam Qty:50
Sample Questions:International Code Council M2 Sample Questions
Exam Way:Online proctored or test center examination
Pre Condition:Construction or inspection experience is recommended but not required.
Official Syllabus URL:https://shop.iccsafe.org/commercial-mechanical-inspector.html

International Code Council M2 Exam Syllabus Topics:

SectionObjectives
Topic 1: General Administration- Code Scope and Administration
  • 1. Permits and Inspections
  • 2. Referenced Standards
  • 3. Definitions
Topic 2: Chimneys and Vents- Vent Systems
  • 1. Vent Sizing
  • 2. Chimney Clearances
- Connectors and Terminations
  • 1. Termination Requirements
  • 2. Vent Connectors
Topic 3: Ventilation and Exhaust Systems- Ventilation
  • 1. Mechanical Ventilation
  • 2. Exhaust Air Systems
- Commercial Kitchens
  • 1. Kitchen Exhaust Hoods
  • 2. Grease Ducts
Topic 4: Combustion Air and Fuel Supply- Fuel Supply Systems
  • 1. Fuel Oil Systems
  • 2. Fuel Gas Piping
- Combustion Air
  • 1. Combustion Air Openings
  • 2. Indoor and Outdoor Air Requirements
Topic 5: Hydronic Piping and Refrigeration- Refrigeration
  • 1. Refrigerant Piping
  • 2. Safety Controls
- Hydronic Systems
  • 1. Piping Installation
  • 2. Pressure Testing
Topic 6: Materials and Specifications- Approved Materials
  • 1. Installation Standards
  • 2. Equipment Labeling
Topic 7: Duct Systems- Air Distribution
  • 1. Duct Insulation
  • 2. Plenums
- Duct Construction
  • 1. Materials and Installation
  • 2. Dampers and Protection
Topic 8: Heating and Cooling Systems- Cooling Systems
  • 1. Cooling Appliances
  • 2. Refrigeration Equipment
- Heating Appliances
  • 1. Boilers
  • 2. Water Heaters
  • 3. Furnaces

International Code Council Commercial Mechanical Inspector Sample Questions:

Question #1

Shutoff valves in plastic pipe ground-source heat pump loop systems shall be installed on both sides of which one of the following?

  • A. Change-in-material joints
  • B. Pressure-reducing valves
  • C. Expansion tanks
  • D. Heat-fusion joints
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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Question #2

Horizontal terminations for mechanical draft systems that are adjacent to public walkways shall be located a minimum of _____ feet above grade.

  • A. 9
  • B. 8
  • C. 7
  • D. 10
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Question #3

What is the maximum distance allowed below the design flood elevation from which ventilation may be obtained?

  • A. 2 feet
  • B. 0 inches
  • C. 6 inches
  • D. 1 foot
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Question #4

For gas piping installations, which of the following is an acceptable joining method for polyethylene (PE) pipe?

  • A. Solvent cement
  • B. Rubber cement
  • C. Threaded coupling
  • D. Compression coupling
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Question #5

Given: single-wall vent, which serves only one appliance, and has a height of 10 feet.
The maximum horizontal length permitted for a 5-inch diameter vent connector serving this vent is _____ feet.

  • A. 9
  • B. 10
  • C. 5
  • D. 7.5
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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