Free NFPA CWBSP Exam Questions

Become NFPA Certified with updated CWBSP exam questions and correct answers

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Total 100 Questions | Updated On: Jun 17, 2026

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Question 1

In an existing system, the vertical clearance between a high volume low speed (HVLS) fan and a sprinkler shall be

A : 12 in. (300 mm).

B : 24 in. (600 mm).

C : 36 in. (900 mm).

D : 48 in. (1200 mm).

Answer: B

Question 2

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 3

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

Question 4

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?

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

Question 5

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

Page: 1 / 20

Total 100 Questions | Updated On: Jun 17, 2026

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