The minimum diameter of a private service main to a hydraulically calculated sprinkler system that also supplies a fire hydrant is
A. 8 in. (200 mm).
B. 3 in. (75 mm).
C. 4 in. (100 mm).
D. 6 in. (150 mm).
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 2:
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?
A. Four sprinklers
B. Five sprinklers
C. Seven sprinklers
D. Six sprinklers
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 3:
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?
A. 21 psi (1.45 bar)
B. 28 psi (1.9 bar)
C. 19 psi (1.31 bar)
D. 24 psi (1.65 bar)
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
質問 4:
For a dry sprinkler installed in an insulated freezer box with an internal ambient temperature of -20°F (-29#) where the barrel is exposed to an ambient temperature area of 40°F (4C), what is the minimum exposed barrel length required?
A. 14 in. (350 mm)
B. 16 in. (400 mm)
C. 12 in. (300 mm)
D. 18 in. (450 mm)
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 5:
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, Group A, expanded plastic
B. Cartoned, Class IV
C. Cartoned, Class III
D. Cartoned, Group A, unexpanded plastic
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
質問 6:
In an existing system, the vertical clearance between a high volume low speed (HVLS) fan and a sprinkler shall be
A. 48 in. (1200 mm).
B. 24 in. (600 mm).
C. 36 in. (900 mm).
D. 12 in. (300 mm).
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 7:
What is the minimum sprinkler operating pressure and minimum sprinkler flow rate required for an ordinary hazard group 1 sprinkler system with K8 (115) sprinklers spaced 110 ft2 (10.2 m2) per sprinkler?
A. 7 psi (0.5 bar) and 21.2 gpm (81.3 lpm)
B. 7 psi (0.5 bar) and 15 gpm (56.5 lpm)
C. 4.25 psi (0.3 bar) and 16.5 gpm (62.2 lpm)
D. 14.33 psi (1.0 bar) and 21.2 gpm (81.3 lpm)
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
質問 8:
If a 2,000 ft2 (186 m2) design area is selected, what design density is required for standard spray, high temperature sprinklers protecting Class IV commodities on a back-to-back shelf storage configuration to 14 ft (4.26 m)?
A. 0.385 gpm/ft2 (15.6 mm/min)
B. 0.19 gpm/ft2 (7.8 mm/min)
C. 0.295 gpm/ft2 (12.0 mm/min)
D. 0.25 gpm/ft2 (10.2 mm/min)
正解:C
解説: (Pass4Test メンバーにのみ表示されます)
大谷** -
CWBSP試験自体は比較的簡単に合格できると思います。そのため試験合格だけを狙うのであればもっと簡易版のテキストでも十分だと思います。本当に助けになっていてすごい良かった。試験にも合格しました。