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Last Updated: Aug 24, 2026
No. of Questions: 52 Questions & Answers with Testing Engine
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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Exhaust & Ventilation Systems | 20% | - Commercial kitchen exhaust systems - Ventilation rates and outdoor air requirements - Makeup air systems - Hazardous and special exhaust systems |
| Topic 2: Chimneys & Vents | 14% | - Vent systems and connections - Factory-built chimneys and vents - Chimney construction and materials - Clearances and termination requirements |
| Topic 3: Combustion Air | 8% | - Confined spaces and equipment rooms - Combustion air requirements - Air supply and venting |
| Topic 4: General Administration | 18% | - Permits and inspections - Manufacturer's instructions and listings - Plan review and documentation - Code authority and enforcement |
| Topic 5: Fuel Supply Systems | 10% | - Fuel gas piping materials and installation - Pressure regulation and overpressure protection - Piping testing and inspection - Gas appliances and connections |
| Topic 6: Heating, Cooling & Water Heaters | 18% | - Water heaters and storage tanks - HVAC equipment installation and clearance - Heat pumps and cooling equipment - Solar thermal systems - Boilers and hydronic systems |
| Topic 7: Duct Systems | 12% | - Dampers and access doors - Insulation and sealing - Duct installation and supports - Duct construction and materials |
1. Indoor combustion air shall be provided within:
A) 2 feet of the ceiling and 1 foot of the floor.
B) 2 feet of the ceiling and 2 feet of the floor.
C) 1 foot of the ceiling and 1 foot of the floor.
D) 1 foot of the ceiling and 2 feet of the floor.
2. Horizontal terminations for mechanical draft systems that are adjacent to public walkways shall be located a minimum of _____ feet above grade.
A) 10
B) 8
C) 9
D) 7
3. A cooling system with a condensate disposal system:
A) shall be made of approved corrosion-resistant material and shall not decrease in size from the drain pan connection to the place of condensate disposal.
B) shall not be less than 3/4-inch PVC pipe or equivalent approved material.
C) shall have all horizontal sections of drain piping installed with a minimum of 1/4 inch per foot slope.
D) shall be made of an approved pipe and be at least 1/2-inch in diameter.
4. All exposed gas piping shall be kept above grade a minimum of _____ inches.
A) 3.5
B) 12
C) 8.5
D) 6
5. Exhibit:
What hp is EF-2?
A) 1/2
B) 2
C) 1
D) 1.5
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: A | Question # 5 Answer: D |
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