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)?
A. 13,685 lb (6,207 kg)
B. 5,288 lb (2,400 kg)
C. 9,097 lb (4,126 kg)
D. 18,194 lb (8,253 kg)
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 2:
The distance between a hanger and the center line of an upright sprinkler shall be no less than
A. 3 in. (75 mm).
B. 4 in. (100 mm).
C. 5 in.(125 mm).
D. 6 in. (150 mm).
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
質問 3:
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 4:
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?
A. 20.5 ft (6.2 m)
B. 16.5 ft (5.0 m)
C. 15.5 ft (4.7 m)
D. 18.5 ft (5.6 m)
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 5:
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 6:
A light hazard wet pipe sprinkler system using quick-response sprinklers with a 18 ft (5.58 m) ceiling would be allowed what percentage area of reduction on the remote area?
A. 0.28
B. 0.26
C. 0.32
D. 0.4
正解:C
解説: (Pass4Test メンバーにのみ表示されます)
質問 7:
Four sprinklers are in a 460 ft2 (42.7 m2) room of ordinary hazard, Group 1 occupancy. Each sprinkler coverage area is 120 ft2 (11.1 m2). What is the minimum water required from each flowing sprinkler?
A. 12 gpm (45.4 lpm)
B. 24 gpm (90.8 lpm)
C. 18 gpm (68.1 lpm)
D. 20 gpm (75.7 lpm)
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 8:
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?
A. 0.54 gpm/ft2 (22 mm/min)
B. 0.20 gpm/ft2 (8.1 mm/min)
C. 0.86 gpm/ft2 (35 mm/min)
D. 0.32 gpm/ft2 (13 mm/min)
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
Miyamoto -
CWBSPの問題集に応用力を身に付け、足りない知識を補充する!知識の定着をはかる!