最新的 Commercial Inspector M2 免費考試真題:

1. The exhibit shows a _____ in. diameter gas line between unit heaters 5 and 8.

A) 1
B) 1-1/8
C) 3/4
D) 1-1/4

2. The minimum rise required for a 10-foot run of vent connector is _____ inches.

A) 1-1/2
B) 2-1/2
C) 1-1/4
D) 2

3. Given: An industrial water heater boiler has a manufacturer's listing of 18 inches wall clearance. It is installed with a protective wall assembly of 24-gauge sheet metal spaced out 1 inch from the wall.
The reduced installation clearance from the wall for this appliance is _____ inches.

A) [option text not fully visible in the material you sent]
B) [option text not fully visible in the material you sent]
C) 18
D) 12

4. All exposed gas piping shall be kept above grade a minimum of _____ inches.

A) 6
B) 12
C) 8.5
D) 3.5

5. 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 have all horizontal sections of drain piping installed with a minimum of 1/4 inch per foot slope.
C) shall be made of an approved pipe and be at least 1/2-inch in diameter.
D) shall not be less than 3/4-inch PVC pipe or equivalent approved material.

問題與答案：