NFPA CWBSP Certified Water-Based Systems Professionals Exam Practice Test

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Total 100 questions
Question 1

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



Answer : C

The minimum temperature rating for ceiling sprinklers in roll paper storage areas that are 15 ft or less in height is typically 150F (66C). This rating is selected to provide a buffer between the ambient temperature conditions and the activation temperature of the sprinklers, preventing accidental activation.


Question 2

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



Answer : D

Schedule 40 pipe does not require a special listing to use threaded fittings, as it is a common standard for pipe thickness and is widely used in fire protection systems for its durability and compatibility with standard fittings.


Question 3

What is the maximum distance of the top of the post on a post indicator valve from final grade?



Answer : B

Post Indicator Valves

6.3.1

Where post indicator valves are used, they shall be set so that the top of each post is 32 in. to 40 in. (800 mm to 1.0 m) above the final grade.


Question 4

A five story building is proposed, with the ground floor being used for retail space and the upper four floors for

apartments. There is no 3-hour rated building separation between the retail and residential spaces. Which standard is

applicable for the design of the fire sprinkler system?



Answer : A

NFPA 13 is the applicable standard for the design of the fire sprinkler system in a mixed-use building with retail space and residential apartments without a 3-hour rated separation. NFPA 13 provides comprehensive coverage for commercial and residential spaces in multi-use buildings.


Question 5

The minimum flow rate for the required forward flow test of a backflow prevention assembly shall be the



Answer : D

The minimum flow rate for the forward flow test of a backflow prevention assembly should be the system demand plus hose stream allowance, where applicable, to ensure the assembly can handle the maximum expected flow during a fire event.


Question 6

The minimum diameter of a private service main to a hydraulically calculated sprinkler system that also supplies a fire

hydrant is



Answer : C

A minimum diameter of 6 inches for a private service main is common when the system also supplies a fire hydrant, ensuring adequate water supply for both the sprinkler system and firefighting needs.


Question 7

A sprinkler system is to be designed for an area containing a diesel engine drive fire pump and day tank. What hazard classification is required for the sprinkler system in this area?



Answer : C

Areas containing diesel engine drive fire pumps and day tanks represent a higher fire risk due to the presence of flammable liquids and operational equipment, typically necessitating at least an Extra Hazard Group I classification to ensure adequate fire protection.


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Total 100 questions