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International Code Council M2 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Combustion Air | 8% | - Combustion air requirements - Confined spaces and equipment rooms - Air supply and venting |
| General Administration | 18% | - Code authority and enforcement - Plan review and documentation - Manufacturer's instructions and listings - Permits and inspections |
| Fuel Supply Systems | 10% | - Gas appliances and connections - Piping testing and inspection - Pressure regulation and overpressure protection - Fuel gas piping materials and installation |
| Exhaust & Ventilation Systems | 20% | - Commercial kitchen exhaust systems - Makeup air systems - Ventilation rates and outdoor air requirements - Hazardous and special exhaust systems |
| Chimneys & Vents | 14% | - Clearances and termination requirements - Chimney construction and materials - Factory-built chimneys and vents - Vent systems and connections |
| Heating, Cooling & Water Heaters | 18% | - Solar thermal systems - HVAC equipment installation and clearance - Boilers and hydronic systems - Heat pumps and cooling equipment - Water heaters and storage tanks |
| Duct Systems | 12% | - Duct construction and materials - Duct installation and supports - Dampers and access doors - Insulation and sealing |
International Code Council Commercial Mechanical Inspector Sample Questions:
1. Given: a six-story, sprinklered, multifamily building with a continuously ventilated shaft extending vertically from the first floor to the roof and used for exhaust.
Which of the following requirements must also be met?
A) kitchen exhaust that penetrates the shaft without a fire damper and extends vertically 22 inches.
B) kitchen exhaust that penetrates the shaft without a fire damper and extends vertically 12 inches.
C) have steel subducts with wall thickness of 0.0186 inch extending 22 inches horizontally into the shaft.
D) fire dampers are installed that are connected to an emergency generator rated for 1 hour.
2. What is the maximum distance allowed below the design flood elevation from which ventilation may be obtained?
A) 1 foot
B) 6 inches
C) 2 feet
D) 0 inches
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 approved corrosion-resistant material and shall not decrease in size from the drain pan connection to the place of condensate disposal.
C) shall not be less than 3/4-inch PVC pipe or equivalent approved material.
D) shall be made of an approved pipe and be at least 1/2-inch in diameter.
4. When a permit is issued, the code requires that one set of approved plans and specifications be returned to the applicant.
This set of plans and specifications shall be:
A) returned to the architect.
B) kept on the building site.
C) retained by the applicant for at least one year after the job is finished in the event modifications are made.
D) filed with the county clerk or jurisdiction to properly record the property.
5. The optional integral clearance reduction system is designed to meet which NFPA standard?

A) 92A
B) 33
C) 96
D) 72
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: C |



