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| Section | Weight | Objectives |
|---|---|---|
| Exhaust & Ventilation Systems | 20% | - Commercial kitchen exhaust systems - Makeup air systems - Hazardous and special exhaust systems - Ventilation rates and outdoor air requirements |
| Fuel Supply Systems | 10% | - Gas appliances and connections - Fuel gas piping materials and installation - Pressure regulation and overpressure protection - Piping testing and inspection |
| Chimneys & Vents | 14% | - Clearances and termination requirements - Factory-built chimneys and vents - Vent systems and connections - Chimney construction and materials |
| General Administration | 18% | - Code authority and enforcement - Plan review and documentation - Permits and inspections - Manufacturer's instructions and listings |
| Heating, Cooling & Water Heaters | 18% | - Heat pumps and cooling equipment - Boilers and hydronic systems - Water heaters and storage tanks - Solar thermal systems - HVAC equipment installation and clearance |
| Duct Systems | 12% | - Insulation and sealing - Duct construction and materials - Duct installation and supports - Dampers and access doors |
| Combustion Air | 8% | - Air supply and venting - Combustion air requirements - Confined spaces and equipment rooms |
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NEW QUESTION # 37
For gas piping installations, which of the following is an acceptable joining method for polyethylene (PE) pipe?
Answer: B
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 # 38
ERV systems shall not be installed in which of the following except:
Answer: A
Explanation:
The IMC prohibits energy recovery ventilation systems in several applications, including hazardous exhaust systems , smoke control systems , commercial kitchen exhaust systems , and clothes dryer exhaust systems . Equipment intended to assist with occupant evacuation falls under smoke-control/life-safety type applications and is not an allowed ERV use. By contrast, systems utilizing coil-type exchangers are the exception among the listed choices because they are not one of the prohibited applications in this question.
Therefore, Option A is correct.
NEW QUESTION # 39
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 # 40
All exposed gas piping shall be kept above grade a minimum of _____ inches.
Answer: C
Explanation:
The IFGC rule for above-ground outdoor piping requires piping installed outdoors to be elevated not less than 3 1/2 inches above ground , and where installed across roof surfaces, not less than 3 1/2 inches above the roof surface . Therefore, the correct answer is A .
NEW QUESTION # 41
The minimum dimension for rectangular air ducts used to supply combustion air for natural draft systems is
_____ inches.
Answer: C
Explanation:
The IMC combustion-air provisions require openings used for combustion air to have a minimum cross- sectional dimension of 3 inches . Where ducts are used, they must be of the same cross-sectional area as the openings to which they connect. That makes 3 inches the correct answer, so Option B is correct.
NEW QUESTION # 42
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