Certified Water-Based Systems Professionals (CWBSP) Free Practice Test

Question 1

An office space with 10 ft (3 m) high ceilings is designated as a Light Hazard Occupancy. It is determined that the area of sprinkler operation is 1,500 ft2 (139 m2). Assuming the conditions are satisfied for design area reduction, what can the area of sprinkler operation be reduced to for quick response sprinklers?

A. 900 ft2 (84 m2)

B. 800 ft2 (74 m2)

C. 1,100 ft2 (102 m2)

D. 1,200 ft2 (111 m2)

Correct Answer: C

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Question 2

The FPE has indicated that a vertical opening shall be protected by closely spaced sprinklers in combination with a draft stop installed per code. The sprinklers will be spaced 6 ft (1.83 m) on center. What is the minimum gpm discharge required per sprinkler head?

A. 20 gpm (76 lpm)

B. 18 gpm (68 lpm)

C. 10 gpm (38 lpm)

D. 15 gpm (57 lpm)

Correct Answer: D

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Question 3

For an Extra Hazard Group 1 remote area of 2,500 ft2 (232.25 m2) using fire sprinklers with a coverage area of
92 ft2 (8.547 m2), how many gallons per minute of water are required per sprinkler?

A. 31.3 gpm (118.394 lpm)

B. 26.8 gpm (101.449 lpm)

C. 36.8 gpm (139.288 lpm)

D. 23.0 gpm (87.055 lpm)

Correct Answer: B

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Question 4

Which of the following is a mandatory referenced publication in NFPA 13?

A. NFPA 10

B. NFPA 12

C. NFPA 291

D. NFPA 20

Correct Answer: D

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Question 5

What is the minimum flow rate required for the most hydraulically remote Class I standpipe?

A. 1,000 gpm (3785 L/min)

B. 250 gpm (946 L/min)

C. 750 gpm (2840 L/min)

D. 500 gpm (1893 L/min)

Correct Answer: D

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Question 6

A owner of a new warehouse wishes to store a Class III product in ordinary cardboard boxes that contain 45 percent by volume expanded plastic. What is the commodity classification?

A. Cartoned, Class IV

B. Cartoned, Group A, unexpanded plastic

C. Cartoned, Class III

D. Cartoned, Group A, expanded plastic

Correct Answer: D

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Question 7

A sprinkler with a blue glass bulb represents a temperature classification of

A. extra high.

B. high.

C. intermediate.

D. ordinary.

Correct Answer: B

Question 8

When backflow prevention valves are installed on existing pipe scheduled systems, the friction losses of the device shall be accounted for when determining

A. system GPM requirements.

B. residual pressure.

C. static pressure.

D. system flow requirements.

Correct Answer: B

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Question 9

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. 1,950 ft2 (181.1 m2)

B. 1,500 ft2 (139.35 m2)

C. 900 ft2 (83.6 m2)

D. 3,000 ft2 (278.7 m2)

Correct Answer: B

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Question 10

When field acceptance testing a fire pump with a variable speed pressure limiting control, the pump shall be tested in variable speed mode at

A. no flow, and 100% of rated load.

B. no flow, 50%, 100%, and 150% of rated load.

C. no flow, 100%, and 150% of rated load.

D. no flow, 25%, 50%, 75%, 100%, 125%, and 150% of rated load

Correct Answer: C

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NFPA Certified Water-Based Systems Professionals (CWBSP) Free Practice Test