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| Section | Weight | Objectives |
|---|---|---|
| Chimneys & Vents | 14% | - Factory-built chimneys and vents - Clearances and termination requirements - Chimney construction and materials - Vent systems and connections |
| Combustion Air | 8% | - Air supply and venting - Confined spaces and equipment rooms - Combustion air requirements |
| Duct Systems | 12% | - Insulation and sealing - Duct construction and materials - Duct installation and supports - Dampers and access doors |
| General Administration | 18% | - Code authority and enforcement - Permits and inspections - Manufacturer's instructions and listings - Plan review and documentation |
| Heating, Cooling & Water Heaters | 18% | - HVAC equipment installation and clearance - Heat pumps and cooling equipment - Water heaters and storage tanks - Solar thermal systems - Boilers and hydronic systems |
| Fuel Supply Systems | 10% | - Fuel gas piping materials and installation - Gas appliances and connections - Piping testing and inspection - Pressure regulation and overpressure protection |
| Exhaust & Ventilation Systems | 20% | - Makeup air systems - Commercial kitchen exhaust systems - Ventilation rates and outdoor air requirements - Hazardous and special exhaust systems |
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NEW QUESTION # 15
The minimum size for access openings for fire dampers shall be:
Answer: C
Explanation:
The IMC requires access openings for fire dampers to be of a size that allows maintenance and resetting of the damper . The code does not set the answer as same-as-duct, half-diagonal, or a universal 12-inch by 12- inch opening. So Option C is correct.
NEW QUESTION # 16
Pipe and duct insulation can be used within plenums except:
Answer: C
Explanation:
For materials such as pipe and duct insulation within plenums, the IMC references ASTM E84 or UL 723 for surface-burning characteristics, along with the flame-spread and smoke-developed limits applicable to plenums. ASTM B84 is not the referenced plenum test standard here, so it is the incorrect condition and therefore the correct exam answer to the "except" question. This makes Option C correct.
NEW QUESTION # 17
Exhibit:
What hp is EF-2?
Answer: A
Explanation:
Based on the equipment schedule shown in the exhibit, EF-2 is listed with a motor size of 1.5 horsepower .
Therefore, the correct answer is C .
NEW QUESTION # 18
What is the minimum air velocity that must be provided by an exhaust duct system serving a Type I range hood?
Answer: A
Explanation:
For commercial kitchen exhaust associated with Type I hood systems, the recognized code-based minimum duct transport velocity is 1,500 feet per minute , so C is the correct answer. Option B uses the wrong unit, and the other listed velocities do not match the code minimum used for this question type.
NEW QUESTION # 19
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 # 20
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