Free NFPA CWBSP Practice Exam Questions and Answers 2026

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Total 100 Questions | Updated On: Apr 03, 2026

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Question 1

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

A : 3 in. (75 mm).

B : 4 in. (100 mm).

C : 5 in. (125 mm).

D : 6 in. (150 mm).

Answer: A

Question 2

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

A : Schedule 5

B : Schedule 7

C : Schedule 10

D : Schedule 40

Answer: D

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?

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

A 4 in. (102 mm) nominal diameter Schedule 10 sprinkler main is to be supported from the structure utilizing a trapeze hanger with a span of 8 ft (2.4 m). Using Schedule 40 pipe for the trapeze hanger, what is the minimum diameter pipe that should be used?

A : 1.5 in. (40 mm)

B : 2 in. (50 mm)

C : 2.5 in. (65 mm)

D : 3 in. (75 mm)

Answer: B

Question 5

What is the minimum temperature rating of ceiling sprinklers in roll paper stored at 15 ft. (4.6 m) or less?

A : 100Â°F (38Â°C)

B : 135Â°F (57Â°C)

C : 150Â°F (66â„ƒ)

D : 175Â°F (79â„ƒ)

Answer: C

Page: 1 / 20

Total 100 Questions | Updated On: Apr 03, 2026

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