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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: General Administration | 18% | - Permits and inspections - Plan review and documentation - Code authority and enforcement - Manufacturer's instructions and listings |
| Topic 2: Duct Systems | 12% | - Insulation and sealing - Duct installation and supports - Dampers and access doors - Duct construction and materials |
| Topic 3: Combustion Air | 8% | - Combustion air requirements - Confined spaces and equipment rooms - Air supply and venting |
| Topic 4: Exhaust & Ventilation Systems | 20% | - Commercial kitchen exhaust systems - Ventilation rates and outdoor air requirements - Hazardous and special exhaust systems - Makeup air systems |
| Topic 5: Heating, Cooling & Water Heaters | 18% | - Boilers and hydronic systems - HVAC equipment installation and clearance - Water heaters and storage tanks - Solar thermal systems - Heat pumps and cooling equipment |
| Topic 6: Chimneys & Vents | 14% | - Chimney construction and materials - Clearances and termination requirements - Vent systems and connections - Factory-built chimneys and vents |
| Topic 7: Fuel Supply Systems | 10% | - Pressure regulation and overpressure protection - Fuel gas piping materials and installation - Gas appliances and connections - Piping testing and inspection |
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NEW QUESTION # 47
Infrared radiant heaters shall be installed:
Answer: B
Explanation:
The ICC mechanical code provision for infrared radiant heaters states that the heaters must be installed with clearances from combustible material in accordance with the manufacturer's installation instructions .
That makes Option D the correct answer. The code does not establish a blanket 6-foot clearance on all sides in this section, and the exam expects the candidate to rely on the listed installation requirements for the appliance.
NEW QUESTION # 48
Shutoff valves in plastic pipe ground-source heat pump loop systems shall be installed on both sides of which one of the following?
Answer: D
Explanation:
In the IMC hydronic piping provisions for ground-source heat pump loop systems, shutoff valves are required on both sides of a pressure-reducing valve . That matches D . Heat-fusion joints and change-in-material joints do not trigger this two-sided shutoff-valve requirement.
NEW QUESTION # 49
Exhaust is required for which of the following areas?
Answer: B
Explanation:
Under the IMC ventilation table, locker/dressing rooms and sports locker rooms are identified with required mechanical exhaust, while spaces such as guard stations do not carry that same exhaust requirement in the table. A high school locker room falls within the locker-room/sports-locker-room category, so Option C is the correct answer. Gambling casinos and office break rooms are provided outdoor air rates, but they are not the required-exhaust space among these listed choices.
NEW QUESTION # 50
For gas piping installations, which of the following is an acceptable joining method for polyethylene (PE) pipe?
Answer: C
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 # 51
Supports for hazardous exhaust duct shall be constructed of:
Answer: B
NEW QUESTION # 52
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