[Full-Version] 2025 New TestBraindump CWBSP PDF Recently Updated Questions [Q23-Q44]

Q23. When backflow prevention valves are installed on existing pipe scheduled systems, the friction losses of the device shall be accounted for when determining

Q24. What is the minimum flow rate required for the most hydraulically remote Class I standpipe?

Q25. What is the minimum temperature rating of ceiling sprinklers in roll paper stored at 15 ft. (4.6 m) or less?

Q26. An existing sprinkler system in a 25 ft (1.5 m) tall building is found to be designed using K-8.0 (115) high temperature control mode density/area (CMDA) sprinklers with a design criteria of 0.35 gpm/ft2 (13.3 mm/min) over
2000 ft2 (186 m2). What is the maximum storage height permitted for double-row rack storage with 8 ft (2.4 m) aisles of a nonencapsulated Class IV commodity?

Q27. When designing an early suppression fast-response (ESFR) fire sprinkler system, what shall the design area of the most hydraulically demanding area consist of?

Q28. What is the minimum distance a standard upright or pendant sprinkler can be to a wall?

Q29. Assuming that the sprinkler is listed for such use, what is the maximum deflector distance for standard spray horizontal sidewall sprinklers from the ceiling under non- and limited-combustible ceilings?

Q30. When welding is performed on sprinkler piping, which of these shall apply?

Q31. When utilizing ordinary temperature CMDA sprinkler protection for a single-row rack storage of an unencapsulated Class I commodity stored 15 ft (4.6 m) high without in-rack sprinklers with 8 ft (2.4 m) aisles, what is the minimum design density required?

Q32. A 4 in. (102 mm) nominal diameter Schedule 10 sprinkler main is to be supported from the structure utilizing a trapeze hanger with a span of 8 ft (2.4 m). Using Schedule 40 pipe for the trapeze hanger, what is the minimum diameter pipe that should be used?

Q33. A 4.2 K-factor sprinkler must deliver 17 gpm (692 mm/min). What pressure is required?

Q34. 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?

Q35. 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.

Q36. A restaurant service area has an 18 ft (5.5 m) high T-Bar ceiling throughout. Using quick-response sprinklers in a wet sprinkler system, what is the minimum area and density that should be calculated?

Q37. A device for use in applications requiring special water discharge patterns, directional spray, or other unusual discharge characteristics, is known as a

Q38. What is the maximum allowable water delivery time for a dry pipe system protecting an Ordinary Hazard Group II occupancy?

Q39. What is the maximum pressure rating when using standard weight pattern malleable iron fittings that are 6 in.
(150 mm) in size and smaller?

Q40. What is the minimum calculated design area for a dry system protecting a light hazard attic space with a roof slope exceeding a rise of 2 units in a run of 12 units and a height at the peak of 10 ft (3 m) above the bottom of the truss using quick response sprinklers?

Q41. 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?

Q42. A pump with a rated capacity of 3,000 gpm (11,335 L/min) should have what size circulation relief valve?

Q43. Working plans are required to have the total system volume of the system for

Q44. What is the correct number of sprinklers to calculate on a branchline for a building with an ordinary hazard (nonstorage) occupancy, a roof slope of a rise of 3 units in a run of 12 units, and with sprinklers spaced
11.5 ft (3.5 m) on center along the lines?