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| Section | Weight | Objectives |
|---|---|---|
| Chimneys & Vents | 14% | - Chimney construction and materials - Vent systems and connections - Factory-built chimneys and vents - Clearances and termination requirements |
| 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 |
| Combustion Air | 8% | - Combustion air requirements - Confined spaces and equipment rooms - Air supply and venting |
| Fuel Supply Systems | 10% | - Piping testing and inspection - Fuel gas piping materials and installation - Pressure regulation and overpressure protection - Gas appliances and connections |
| Heating, Cooling & Water Heaters | 18% | - Water heaters and storage tanks - HVAC equipment installation and clearance - Solar thermal systems - Boilers and hydronic systems - Heat pumps and cooling equipment |
| Exhaust & Ventilation Systems | 20% | - Hazardous and special exhaust systems - Ventilation rates and outdoor air requirements - Makeup air systems - Commercial kitchen exhaust systems |
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NEW QUESTION # 36
To test for tightness, a consumer's gas piping should never be filled with:
Answer: A
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 # 37
What is the minimum distance required between a combustion air opening at the exterior of a building and a lot line?
Answer: C
Explanation:
The ICC opening-location rule requires intake openings to be located not less than 10 feet from lot lines or buildings on the same lot . A combustion-air opening taken from the exterior follows that minimum separation rule, so 10 feet is the correct answer. Therefore, Option D is correct.
NEW QUESTION # 38
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 # 39
Where located on a roof with a 5:12 slope, a level platform shall be provided along the access panel of the furnace at least _____ inches wide.
Answer: B
Explanation:
For appliances on roofs, ICC access provisions require a level platform at the appliance. The platform must be not less than 30 inches in any dimension . For the choices provided, that makes 30 inches the correct answer, which is Option C .
NEW QUESTION # 40
For gas piping installations, which of the following is an acceptable joining method for polyethylene (PE) pipe?
Answer: D
Explanation:
This item appears to use older or simplified exam wording . Current ICC language for polyethylene plastic piping identifies heat-fusion joints, electrofusion joints, and stab-type insert fittings as the named PE joining methods, not solvent cement or threaded couplings. Among the answer choices you provided, D.
Compression coupling is the only choice that aligns most closely with a mechanical fitting/joining approach for PE systems, while rubber cement, solvent cement, and threaded coupling do not match ICC PE joining practice. Because of that, D is the best answer from the listed options, but this question should be tied to the exact code cycle or source exam bank if you want absolute cycle-specific certainty
NEW QUESTION # 41
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