Prepare with International Code Council : M2 exam braindumps as your best preparation materials
Updated: Sep 10, 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 (ICC) |
|---|---|
| Exam Name: | Commercial Mechanical Inspector M2 Exam |
| Exam Number: | M2 |
| Exam Price: | $219 (ICC members), $249-$320 (non-members) |
| Passing Score: | 75 (scaled score) |
| Exam Format: | Multiple-choice, Open-book |
| Available Languages: | English |
| Real Exam Qty: | 50 |
| Related Certifications: | Commercial Plumbing Inspector Commercial Building Inspector Commercial Electrical Inspector |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 120 minutes |
| Recommended Training: | ICC Code Resources ICC Official Training |
| Exam Registration: | Pearson VUE Scheduling ICC Official Registration |
| Sample Questions: | International Code Council M2 Sample Questions |
| Exam Way: | Onsite at Pearson VUE test centers; Online remote proctoring via ICC PRONTO |
| Pre Condition: | No mandatory prerequisites; recommended knowledge of International Mechanical Code (IMC) and International Fuel Gas Code (IFGC) |
| Official Syllabus URL: | https://www.iccsafe.org/certification/certification-exams/m2-commercial-mechanical-inspector/ |
International Code Council M2 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Duct Systems | 12% | - Dampers and access doors - Insulation and sealing - Duct construction and materials - Duct installation and supports |
| Fuel Supply Systems | 10% | - Piping testing and inspection - Fuel gas piping materials and installation - Pressure regulation and overpressure protection - Gas appliances and connections |
| Heating, Cooling & Water Heaters | 18% | - Water heaters and storage tanks - Heat pumps and cooling equipment - Solar thermal systems - Boilers and hydronic systems - HVAC equipment installation and clearance |
| General Administration | 18% | - Manufacturer's instructions and listings - Plan review and documentation - Permits and inspections - Code authority and enforcement |
| Combustion Air | 8% | - Confined spaces and equipment rooms - Air supply and venting - Combustion air requirements |
| Chimneys & Vents | 14% | - Vent systems and connections - Clearances and termination requirements - Chimney construction and materials - Factory-built chimneys and vents |
| Exhaust & Ventilation Systems | 20% | - Ventilation rates and outdoor air requirements - Hazardous and special exhaust systems - Makeup air systems - Commercial kitchen exhaust systems |
International Code Council Commercial Mechanical Inspector Sample Questions:
Question 1
To test for tightness, a consumer's gas piping should never be filled with:
A. dry air.
B. air.
C. inert gas.
D. oxygen.
Question 2
All exposed gas piping shall be kept above grade a minimum of _____ inches.
A. 12
B. 3.5
C. 6
D. 8.5
Question 3
A cooling system with a condensate disposal system:
A. shall have all horizontal sections of drain piping installed with a minimum of 1/4 inch per foot slope.
B. shall be made of an approved pipe and be at least 1/2-inch in diameter.
C. shall not be less than 3/4-inch PVC pipe or equivalent approved material.
D. shall be made of approved corrosion-resistant material and shall not decrease in size from the drain pan connection to the place of condensate disposal.
Question 4
Exposed solar thermal equipment protected by motor vehicle impact may be installed at what height?
A. Directly on finished floor
B. 48 inches above finished floor
C. 6 feet above finished floor
D. 18 inches above finished floor
Question 5
Indoor combustion air shall be provided within:
A. 2 feet of the ceiling and 2 feet of the floor.
B. 2 feet of the ceiling and 1 foot of the floor.
C. 1 foot of the ceiling and 2 feet of the floor.
D. 1 foot of the ceiling and 1 foot of the floor.
Solutions:
| Question 1 Answer: D | Question 2 Answer: B | Question 3 Answer: D | Question 4 Answer: A | Question 5 Answer: D |
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