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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Combustion Air | 8% | - Air supply and venting - Combustion air requirements - Confined spaces and equipment rooms |
| Topic 2: Exhaust & Ventilation Systems | 20% | - Ventilation rates and outdoor air requirements - Makeup air systems - Commercial kitchen exhaust systems - Hazardous and special exhaust systems |
| Topic 3: Duct Systems | 12% | - Insulation and sealing - Duct construction and materials - Dampers and access doors - Duct installation and supports |
| Topic 4: Heating, Cooling & Water Heaters | 18% | - HVAC equipment installation and clearance - Solar thermal systems - Heat pumps and cooling equipment - Boilers and hydronic systems - Water heaters and storage tanks |
| Topic 5: Fuel Supply Systems | 10% | - Pressure regulation and overpressure protection - Fuel gas piping materials and installation - Gas appliances and connections - Piping testing and inspection |
| Topic 6: Chimneys & Vents | 14% | - Vent systems and connections - Chimney construction and materials - Clearances and termination requirements - Factory-built chimneys and vents |
| Topic 7: General Administration | 18% | - Permits and inspections - Manufacturer's instructions and listings - Code authority and enforcement - Plan review and documentation |
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NEW QUESTION # 40
Where the cooking surface has exposed flame and burners, the minimum distance between the lowest edge of a grease filter and the cooking or heating surface shall be _____ inches.
Answer: A
Explanation:
For cooking equipment with exposed flame and burners , the IMC table for grease-filter mounting position requires a minimum vertical separation of 24 inches between the lowest edge of the grease filter and the cooking surface. That makes B correct.
NEW QUESTION # 41
The exhibit shows a _____ in. diameter gas line between unit heaters 5 and 8.
Answer: B
Explanation:
Based on the mechanical plan shown in the exhibit, the gas line between unit heaters 5 and 8 is labeled as 1 inch in diameter. Therefore, the correct answer is B.
NEW QUESTION # 42
All exposed gas piping shall be kept above grade a minimum of _____ inches.
Answer: D
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 # 43
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 # 44
Supports for hazardous exhaust duct shall be constructed of:
Answer: D
Explanation:
Hazardous exhaust systems are regulated under the IMC provisions for special exhaust because they handle potentially dangerous fumes, vapors, dusts, or other contaminants. The code requires the duct system and its support components to be suitable for that hazard level, and supports for hazardous exhaust duct must be constructed of noncombustible material . That is why Option C is correct. Plastic and fibrous supports would not satisfy the required fire and safety performance, and UL 181 applies to certain factory-made air ducts and connectors, not as the governing support-material rule for hazardous exhaust duct supports.
NEW QUESTION # 45
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