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| Section | Weight | Objectives |
|---|---|---|
| Combustion Air | 8% | - Confined spaces and equipment rooms - Combustion air requirements - Air supply and venting |
| Heating, Cooling & Water Heaters | 18% | - Heat pumps and cooling equipment - HVAC equipment installation and clearance - Solar thermal systems - Boilers and hydronic systems - Water heaters and storage tanks |
| Exhaust & Ventilation Systems | 20% | - Hazardous and special exhaust systems - Commercial kitchen exhaust systems - Makeup air systems - Ventilation rates and outdoor air requirements |
| Chimneys & Vents | 14% | - Chimney construction and materials - Clearances and termination requirements - Vent systems and connections - Factory-built chimneys and vents |
| General Administration | 18% | - Code authority and enforcement - Plan review and documentation - Permits and inspections - Manufacturer's instructions and listings |
| Fuel Supply Systems | 10% | - Pressure regulation and overpressure protection - Piping testing and inspection - Gas appliances and connections - Fuel gas piping materials and installation |
| Duct Systems | 12% | - Duct construction and materials - Duct installation and supports - Dampers and access doors - Insulation and sealing |
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International Code Council M2 frequently changes the content of the Commercial Mechanical Inspector (M2) exam. Therefore, to save your valuable time and money, we keep a close eye on the latest updates. Furthermore, DumpsTests also offers free updates of M2 exam questions for up to 365 days after buying Commercial Mechanical Inspector (M2) dumps. We guarantee that nothing will stop you from earning the esteemed International Code Council Certification Exam on your first attempt if you diligently prepare with our M2 real exam questions.
NEW QUESTION # 43
Floor furnaces shall not be closer than _____ inches to the ground.
Answer: C
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 # 44
A cooling system with a condensate disposal system:
Answer: A
Explanation:
The ICC mechanical code requires condensate disposal components to be of approved corrosion-resistant material , and the drain line shall not decrease in size from the drain pan connection to the place of disposal.
The code minimum size is 3/4 inch , so the 1/2-inch statement is incorrect, and the code is not limited to PVC only. Also, the slope requirement for horizontal drain piping is not less than 1/8 inch per foot , not 1/4 inch per foot. That makes Option A the only fully correct statement.
NEW QUESTION # 45
A low-pressure steam heating boiler is a boiler furnishing a maximum steam pressure of _____ psi.
Answer: C
Explanation:
A low-pressure steam heating boiler is defined as a boiler furnishing steam at pressures not exceeding 15 psi . That matches Option B .
NEW QUESTION # 46
The optional integral clearance reduction system is designed to meet which NFPA standard?
Answer: D
Explanation:
Based on the specification sheet shown in the exhibit, the design features state that the optional integral clearance reduction system meets the requirements of NFPA 96 . Therefore, the correct answer is D .
NEW QUESTION # 47
Which of the following is not a required mechanical inspection?
Answer: D
Explanation:
The ICC mechanical administrative inspection sequence includes underground inspection , rough-in inspection , and final inspection as required inspections. An annual system test is not listed as one of the required permit inspections in that section, so Option D is the correct answer. This fits the M2 General Administration content area, which includes permit and inspection administration.
NEW QUESTION # 48
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