Free NFPA CWBSP Exam Actual Questions

The questions for CWBSP were last updated On Feb 18, 2025

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Question No. 1

How many sprinklers in a townhome style residential occupancy protected in accordance with NFPA 13D with

24 ft (7.3 m) flat, smooth, and horizontal ceilings, with no beams, are required to be calculated for?

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Correct Answer: B

In residential occupancies like townhomes protected under NFPA 13D, the design often includes the calculation of sprinkler coverage based on specific design areas and spacing rules. For a typical room layout, especially with flat and smooth ceilings, at least 2 sprinklers might be required to be calculated to ensure adequate coverage, considering possible obstructions and the layout of living spaces.


Question No. 2

What is the minimum design pressure for control mode specific application (CMSA) protection of a solid piled, Class IlI commodity stored 35 ft (11 m) high in a 40 ft (12 m) building?

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Correct Answer: B

For CMSA protection of solid piled Class III commodities stored up to 35 ft high in a building, a minimum design pressure of 25 psi is a typical requirement. This pressure ensures adequate water distribution and penetration for the depth and height of the storage.


Question No. 3

An NFPA 13 fire sprinkler system requires listing of a main control valve and

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Correct Answer: A

In an NFPA 13 fire sprinkler system, a main control valve must be listed, and a flow switch is also required to monitor water movement in the system, signaling activation of the sprinklers. The flow switch is a critical component for system monitoring and alerting.


Question No. 4

What is the maximum pressure rating when using standard weight pattern malleable iron fittings that are 6 in. (150 mm) in size and smaller?

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Correct Answer: C

Standard weight pattern malleable iron fittings that are 6 inches in size and smaller typically have a maximum pressure rating of 300 psi (21 bar). This rating ensures that the fittings can withstand the pressure demands of most fire sprinkler systems without failure.


Question No. 5

When used for sprinkler system design, the water flow test shall be conducted no more than how many months prior

to work plan submittal?

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Correct Answer: C

Water flow tests for sprinkler system design should be conducted no more than 12 months prior to work plan submittal to ensure the test data accurately reflects current water supply conditions.