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Question 1

Which type of pipe does not require a special listing to use threaded fittings?

Options :

A : Schedule 5

B : Schedule 7

C : Schedule 10

D : Schedule 40

Answer: D

Question 2

The distance between a hanger and the center line of an upright sprinkler shall be no less than

Options :

A : 3 in. (75 mm).

B : 4 in. (100 mm).

C : 5 in. (125 mm).

D : 6 in. (150 mm).

Answer: A

Question 3

What is the minimum calculated design area for a light hazard sprinkler system protecting an open office space with a noncombustible acoustic ceiling tile installed 6 in. (150 mm) below the bottom of solid wood joists?

Options :

A : 900 ft2 (83.6 m2)

B : 1,500 ft2 (139.35 m2)

C : 1,950 ft2 (181.1 m2)

D : 3,000 ft2 (278.7 m2)

Answer: B

Question 4

Annual testing for a 1,500 gpm (5,677 L/min) at 80 psi (1.4 bar) fire pump supporting an attached sprinkler system demand of 1,800 gpm (6,813 L/min) at 100 psi (6.9 bar) is being conducted. The flow test of the fire pump must achieve what minimum flow rate and discharge pressure?

Options :

A : 1,500 gpm (5,677 L/min) at 80 psi (1.4 bar)

B : 1,600 gpm (6,056 L/min) at 75 psi (5.1 bar)

C : 1,800 gpm (6,813 L/min) at 100 psi (6.9 bar)

D : 2,250 gpm (8,516 L/min) at 65 psi (4.5 bar)

Answer: C

Question 5

For an existing antifreeze system without a backflow prevention device, what size hole is required in the check valve separating the supply and the antifreeze?

Options :

A : 1 in. (0.79 mm)

B : 1 in. (1.59 mm)

C : 1 in. (3.17 mm)

D : 1 in. (6.35 mm)

Answer: A