Try and practice the latest International Code Council : M2 real questions & answers
Updated: Aug 08, 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: | ICC Commercial Mechanical Inspector (M2) |
| Exam Number: | M2 |
| Exam Duration: | 180 minutes |
| Available Languages: | English |
| Certificate Validity Period: | 3 years (renewal required via continuing education units) |
| Passing Score: | 70% |
| Exam Format: | Multiple-choice, Computer-based testing |
| Real Exam Qty: | 80 |
| Related Certifications: | ICC Residential Mechanical Inspector ICC Mechanical Inspector ICC Commercial Building Inspector |
| Recommended Training: | ICC Training and Education ICC Digital Codes and Study Resources |
| Exam Registration: | ICC Official Certification Page Pearson VUE ICC Exams Registration |
| Sample Questions: | International Code Council M2 Sample Questions |
| Exam Way: | Computer-based exam delivered at Pearson VUE testing centers or online proctored options where available |
| Pre Condition: | No formal prerequisite required; field experience in mechanical systems or code enforcement is recommended |
| Official Syllabus URL: | https://www.iccsafe.org |
International Code Council M2 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Mechanical Appliances and Equipment | - Boilers, furnaces, and water heaters
|
| General Administration and Mechanical Inspection Practice | - Code enforcement procedures and inspector responsibilities
|
| Fuel Gas Systems | - Gas piping and appliance installation
|
| Ventilation and Indoor Air Quality | - Ventilation requirements
|
| HVAC Systems and Equipment | - Heating and cooling systems
|
| Mechanical Code (IMC) Fundamentals | - International Mechanical Code application
|
International Code Council Commercial Mechanical Inspector Sample Questions:
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) Pressure-reducing valves
B) Heat-fusion joints
C) Change-in-material joints
D) Expansion tanks
2. Exhibit:
What hp is EF-2?
A) 1
B) 2
C) 1/2
D) 1.5
3. When testing dampers located in corridors, the dampers shall demonstrate acceptable closure performance when subjected to _____ fpm velocity across the face of the damper using the UL 555 fire exposure test.
A) 75
B) 150
C) 100
D) 200
4. Given: An industrial water heater boiler has a manufacturer's listing of 18 inches wall clearance. It is installed with a protective wall assembly of 24-gauge sheet metal spaced out 1 inch from the wall.
The reduced installation clearance from the wall for this appliance is _____ inches.
A) [option text not fully visible in the material you sent]
B) 18
C) 12
D) [option text not fully visible in the material you sent]
5. Termination of vents for appliances listed for and installed outdoors that incorporate integral venting shall:
A) terminate not less than 5 feet vertically above the highest connected appliance draft hood outlet or flue collar.
B) be installed in accordance with their listings and the manufacturer's installation instructions.
C) be installed in accordance with the design professional's plans as approved by the local building official.
D) terminate not less than 5 feet vertically above the lowest connected appliance draft hood outlet or flue collar.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: B | Question # 4 Answer: D | Question # 5 Answer: B |
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