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| Section | Weight | Objectives |
|---|---|---|
| General Administration | 18% | - Permits and inspections - Manufacturer's instructions and listings - Plan review and documentation - Code authority and enforcement |
| Duct Systems | 12% | - Duct installation and supports - Dampers and access doors - Insulation and sealing - Duct construction and materials |
| Heating, Cooling & Water Heaters | 18% | - Solar thermal systems - Water heaters and storage tanks - Heat pumps and cooling equipment - Boilers and hydronic systems - HVAC equipment installation and clearance |
| Chimneys & Vents | 14% | - Factory-built chimneys and vents - Chimney construction and materials - Clearances and termination requirements - Vent systems and connections |
| Exhaust & Ventilation Systems | 20% | - Hazardous and special exhaust systems - Commercial kitchen exhaust systems - Makeup air systems - Ventilation rates and outdoor air requirements |
| Fuel Supply Systems | 10% | - Gas appliances and connections - Pressure regulation and overpressure protection - Fuel gas piping materials and installation - Piping testing and inspection |
| Combustion Air | 8% | - Combustion air requirements - Air supply and venting - Confined spaces and equipment rooms |
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NEW QUESTION # 11
Given: The listed clearance is 12 inches.
What would be the reduced clearance to combustibles, in inches, if the millboard is replaced with 24-gauge sheet metal?
Answer: B
Explanation:
For a clearance-reduction system using 24-gauge sheet metal with a ventilated 1-inch air space , the recognized reduction method brings a 12-inch listed clearance down to 4 inches . That matches Option B .
This is also consistent with the protection method shown in the exhibit.
NEW QUESTION # 12
Why are two or more sets of construction documents, engineering calculations, diagrams, and other data required to be submitted with each application for a permit?
Answer: B
Explanation:
The ICC administrative provisions require construction documents to be submitted in two or more sets with the permit application. After approval, one set is retained by the code official and one set is returned to the applicant to be kept on the job site during construction. That is exactly the condition described in Option D .
The code does not state that all sets are retained by the code official or that the purpose is to provide subcontractor copies or backup copies.
NEW QUESTION # 13
A cooling system with a condensate disposal system:
Answer: B
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 # 14
Floor furnaces shall not be closer than _____ inches to the ground.
Answer: A
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 # 15
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 # 16
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