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| Section | Weight | Objectives |
|---|---|---|
| General Administration | 18% | - Permits and inspections - Code authority and enforcement - Plan review and documentation - Manufacturer's instructions and listings |
| Combustion Air | 8% | - Air supply and venting - Confined spaces and equipment rooms - Combustion air requirements |
| Fuel Supply Systems | 10% | - Piping testing and inspection - Pressure regulation and overpressure protection - Gas appliances and connections - Fuel gas piping materials and installation |
| Heating, Cooling & Water Heaters | 18% | - Water heaters and storage tanks - Boilers and hydronic systems - HVAC equipment installation and clearance - Solar thermal systems - Heat pumps and cooling equipment |
| Exhaust & Ventilation Systems | 20% | - Makeup air systems - Ventilation rates and outdoor air requirements - Hazardous and special exhaust systems - Commercial kitchen exhaust systems |
| Chimneys & Vents | 14% | - Factory-built chimneys and vents - Chimney construction and materials - Clearances and termination requirements - Vent systems and connections |
| Duct Systems | 12% | - Insulation and sealing - Duct installation and supports - Duct construction and materials - Dampers and access doors |
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NEW QUESTION # 17
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 # 18
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 # 19
Which of the following is not a required mechanical inspection?
Answer: C
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 # 20
Given: A recirculating industrial direct-fired makeup air heater has a rated input of 200,000 Btu/h .
Ventilation air is supplied by separate mechanical means.
Outside ventilation air shall be provided to supply at least _____ CFM.
Answer: B
Explanation:
The applicable provision requires direct-fired industrial air heaters to supply outside ventilation air at a rate of not less than 4 cfm per 1,000 Btu/h of rated input where ventilation air is provided by separate mechanical means. For 200,000 Btu/h , the required outside air is:
200,000 ÷ 1,000 = 200
200 × 4 = 800 cfm
So the correct answer is C
NEW QUESTION # 21
What type of cooking appliance is required to have its own independent hood and exhaust system?
Answer: C
Explanation:
The IMC specifically provides that Type I hoods used over extra-heavy-duty cooking appliances shall not cover other appliances requiring fire-extinguishing protection and shall discharge to an independent exhaust system . Therefore, D is correct.
NEW QUESTION # 22
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