[UPDATED 2025] Read CWBSP Study Guide Cover to Cover as Literally [Q53-Q71]

NEW QUESTION 53
What is the pressure at a sprinkler head with a flow of 33 gpm (125 L/min) with a K-factor of 5.6 (80)?

NEW QUESTION 54
An NFPA 13 fire sprinkler system requires listing of a main control valve and

NEW QUESTION 55
When field acceptance testing a fire pump with a variable speed pressure limiting control, the pump shall be tested in variable speed mode at

NEW QUESTION 56
The minimum diameter of a private service main to a hydraulically calculated sprinkler system that also supplies a fire hydrant is

NEW QUESTION 57
The minimum flow rate for the required forward flow test of a backflow prevention assembly shall be the

NEW QUESTION 58
For an Ordinary Hazard with a design area of 1,500 ft2 (140 m2), what is the minimum number of standard pendent sprinklers required?

NEW QUESTION 59
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?

NEW QUESTION 60
What is the minimum design criteria to protect an exposed nonexpanded Group A plastic stored in a solid pile to a maximum height of 15 ft (4.6 m) in a 26 ft (7.9 m) high building? Piles to be stable with closed arrays.

NEW QUESTION 61
Using the Hazen-Williams formula, determine the friction loss in 150 ft (45.7 m) of 1 in. (25 mm) black steel schedule
40 pipe, flowing 30 gpm (115 lpm) in a wet system.

NEW QUESTION 62
How much pressure is lost due to elevation in water flowing in a pipe from 6 ft (1.8 m) high to 15 ft (4.6 m) high?

NEW QUESTION 63
When using a 1.5 in. (40 mm) outlet on a hose connection, an approved pressure-regulating device shall be installed when the residual pressure exceeds what value?

NEW QUESTION 64
How much pressure is lost to friction as 1,200 gpm (4542 L/min) travels through 200 ft (61 m) of 5 in. (130 mm) schedule 40 steel pipe with a C-factor of 120?

NEW QUESTION 65
A pump with a rated capacity of 3,000 gpm (11,335 L/min) should have what size circulation relief valve?

NEW QUESTION 66
In an existing system, the vertical clearance between a high volume low speed (HVLS) fan and a sprinkler shall be

NEW QUESTION 67
What is the maximum distance an underground main can be installed under the building to the riser location without additional requirements?

NEW QUESTION 68
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?

NEW QUESTION 69
When welding is performed on sprinkler piping, which of these shall apply?

NEW QUESTION 70
Extra high temperature sprinklers should be tested every

NEW QUESTION 71
What is the thrust force on an 8 in. (205 mm) ductile iron 90° bend with a water test pressure of 200 psi (13.8 bar)?