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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Duct Systems | 12% | - Insulation and sealing - Duct installation and supports - Duct construction and materials - Dampers and access doors |
| Topic 2: Chimneys & Vents | 14% | - Chimney construction and materials - Factory-built chimneys and vents - Vent systems and connections - Clearances and termination requirements |
| Topic 3: Exhaust & Ventilation Systems | 20% | - Makeup air systems - Commercial kitchen exhaust systems - Ventilation rates and outdoor air requirements - Hazardous and special exhaust systems |
| Topic 4: Combustion Air | 8% | - Air supply and venting - Combustion air requirements - Confined spaces and equipment rooms |
| Topic 5: Fuel Supply Systems | 10% | - Fuel gas piping materials and installation - Gas appliances and connections - Piping testing and inspection - Pressure regulation and overpressure protection |
| Topic 6: General Administration | 18% | - Manufacturer's instructions and listings - Permits and inspections - Code authority and enforcement - Plan review and documentation |
| Topic 7: Heating, Cooling & Water Heaters | 18% | - Heat pumps and cooling equipment - Solar thermal systems - Water heaters and storage tanks - HVAC equipment installation and clearance - Boilers and hydronic systems |
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NEW QUESTION # 51
The minimum rise required for a 10-foot run of vent connector is _____ inches.
Answer: C
Explanation:
Vent connectors must be installed with a minimum rise of 1/4 inch per foot . For a 10-foot run, the required rise is:
10 × 1/4 inch = 2.5 inches .
That equals 2-1/2 inches , so Option D is correct.
NEW QUESTION # 52
Where the cooking surface has exposed flame and burners, the minimum distance between the lowest edge of a grease filter and the cooking or heating surface shall be _____ inches.
Answer: A
Explanation:
For cooking equipment with exposed flame and burners , the IMC table for grease-filter mounting position requires a minimum vertical separation of 24 inches between the lowest edge of the grease filter and the cooking surface. That makes B correct.
NEW QUESTION # 53
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 # 54
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: C
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 # 55
Given: Fabricated of type 430 stainless steel.
Optional type _____ stainless steel is available.
Answer: B
Explanation:
Based on the specification sheet shown in the exhibit, the hood is fabricated of Type 430 stainless steel , and the optional stainless steel listed is Type 304 . Therefore, the correct answer is C .
NEW QUESTION # 56
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