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100% International Code Council M2 Guaranteed Success With Testing Engine

Exam Code: M2

Exam Name: Commercial Mechanical Inspector

Updated: Aug 05, 2026

Number: 52 Q&As 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
Related Certifications:ICC Residential Mechanical Inspector
ICC Mechanical Inspector
ICC Commercial Building Inspector
Real Exam Qty:80
Available Languages:English
Passing Score:70%
Exam Format:Multiple-choice, Computer-based testing
Certificate Validity Period:3 years (renewal required via continuing education units)
Recommended Training:ICC Training and Education
ICC Digital Codes and Study Resources
Exam Registration:Pearson VUE ICC Exams Registration
ICC Official Certification Page
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:

SectionObjectives
Topic 1: Fuel Gas Systems- Gas piping and appliance installation
  • 1. Combustion air requirements
    • 2. Gas safety and testing
      Topic 2: Mechanical Appliances and Equipment- Boilers, furnaces, and water heaters
      • 1. Safety controls and venting
        • 2. Installation and inspection requirements
          Topic 3: Ventilation and Indoor Air Quality- Ventilation requirements
          • 1. Outdoor air intake requirements
            • 2. Exhaust systems
              Topic 4: General Administration and Mechanical Inspection Practice- Code enforcement procedures and inspector responsibilities
              • 1. Documentation and reporting
                • 2. Permit requirements and inspections
                  Topic 5: Mechanical Code (IMC) Fundamentals- International Mechanical Code application
                  • 1. Scope and definitions
                    • 2. General regulations
                      Topic 6: HVAC Systems and Equipment- Heating and cooling systems
                      • 1. Duct systems design and installation
                        • 2. Air handling units and system components

                          International Code Council Commercial Mechanical Inspector Sample Questions:

                          1. 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) 5
                          B) 9
                          C) 10
                          D) 7.5


                          2. Air mechanically exhausted from a room must be:

                          A) discharged into the attic.
                          B) discharged to the outdoors.
                          C) recirculated.
                          D) filtered.


                          3. Termination of vents for appliances listed for and installed outdoors that incorporate integral venting shall:

                          A) be installed in accordance with the design professional's plans as approved by the local building official.
                          B) terminate not less than 5 feet vertically above the lowest connected appliance draft hood outlet or flue collar.
                          C) be installed in accordance with their listings and the manufacturer's installation instructions.
                          D) terminate not less than 5 feet vertically above the highest connected appliance draft hood outlet or flue collar.


                          4. Given: Fabricated of type 430 stainless steel.


                          Optional type _____ stainless steel is available.

                          A) 303
                          B) 304
                          C) 301
                          D) 316


                          5. An equipment shutoff valve shall be in the same room and not more than how many feet away from the appliance?

                          A) 6
                          B) 8
                          C) 9
                          D) 7


                          Solutions:

                          Question # 1
                          Answer: D
                          Question # 2
                          Answer: B
                          Question # 3
                          Answer: C
                          Question # 4
                          Answer: B
                          Question # 5
                          Answer: A

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