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| Section | Weight | Objectives |
|---|---|---|
| Combustion Air | 8% | - Confined spaces and equipment rooms - Air supply and venting - Combustion air requirements |
| Heating, Cooling & Water Heaters | 18% | - Boilers and hydronic systems - Water heaters and storage tanks - Heat pumps and cooling equipment - Solar thermal systems - HVAC equipment installation and clearance |
| Fuel Supply Systems | 10% | - Pressure regulation and overpressure protection - Gas appliances and connections - Piping testing and inspection - Fuel gas piping materials and installation |
| Chimneys & Vents | 14% | - Chimney construction and materials - Clearances and termination requirements - Factory-built chimneys and vents - Vent systems and connections |
| Duct Systems | 12% | - Duct construction and materials - Insulation and sealing - Duct installation and supports - Dampers and access doors |
| General Administration | 18% | - Permits and inspections - Plan review and documentation - Code authority and enforcement - Manufacturer's instructions and listings |
| Exhaust & Ventilation Systems | 20% | - Hazardous and special exhaust systems - Commercial kitchen exhaust systems - Ventilation rates and outdoor air requirements - Makeup air systems |
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NEW QUESTION # 10
A low-pressure steam heating boiler is a boiler furnishing a maximum steam pressure of _____ psi.
Answer: A
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 # 11
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: A
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 # 12
To test for tightness, a consumer's gas piping should never be filled with:
Answer: B
Explanation:
The IFGC section on test medium states that the test medium shall be air, nitrogen, carbon dioxide or an inert gas , and specifically states that oxygen shall not be used as a test medium . That makes C the correct answer.
NEW QUESTION # 13
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 # 14
An 8-inch Type B venting system with a listed vent cap must terminate a minimum of _____ feet above the flat roof through which it passes.
Answer: D
Explanation:
For a Type B gas vent with a listed vent cap terminating through a flat roof , the minimum required termination height is 1 foot above the roof . That makes Option A correct. This is consistent with gas vent termination tables used with listed Type B vent systems and the code framework for Type B vent terminations.
NEW QUESTION # 15
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