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International Code Council M2 Exam Syllabus Topics:

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

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International Code Council Commercial Mechanical Inspector Sample Questions (Q34-Q39):

NEW QUESTION # 34
Supports for hazardous exhaust duct shall be constructed of:

Answer: B

Explanation:
Hazardous exhaust systems are regulated under the IMC provisions for special exhaust because they handle potentially dangerous fumes, vapors, dusts, or other contaminants. The code requires the duct system and its support components to be suitable for that hazard level, and supports for hazardous exhaust duct must be constructed of noncombustible material . That is why Option C is correct. Plastic and fibrous supports would not satisfy the required fire and safety performance, and UL 181 applies to certain factory-made air ducts and connectors, not as the governing support-material rule for hazardous exhaust duct supports.


NEW QUESTION # 35
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?

Answer: C

Explanation:
For this type of continuously ventilated exhaust shaft serving a multifamily building, the code requires the kitchen exhaust connection to penetrate the shaft and extend vertically not less than 22 inches without a fire damper. That matches Option D .


NEW QUESTION # 36
Floor furnaces shall not be closer than _____ inches to the ground.

Answer: B

Explanation:
The ICC mechanical code requires the lowest portion of a floor furnace to have not less than 6 inches (152 mm) clearance from grade level . Therefore, the correct choice is the option corresponding to 6 inches , which is C based on your answer set.


NEW QUESTION # 37
What is the maximum distance allowed below the design flood elevation from which ventilation may be obtained?

Answer: D

Explanation:
This question appears to contain a wording issue. In ICC flood-related provisions tied to ventilation/flood openings, the governing limit is that the opening location is not more than 1 foot relative to the reference grade condition used for flood-opening compliance. That corresponds to 1 foot , so Option C is the best- supported answer.


NEW QUESTION # 38
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.

Answer: D

Explanation:
Corridor damper testing under the referenced standard requires acceptable closure performance at 150 fpm across the face of the damper. Therefore Option C is correct.


NEW QUESTION # 39
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