CWBSP無料問題集「NFPA Certified Water-Based Systems Professionals」

質問 1

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.

（A）27.5 psi (1.89 bar)

（B）41.3 psi (2.93 bar)

（C）57.9 psi (3.99 bar)

（D）52.2 psi (3.6 bar)

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 2

What standard applies for underground malleable iron threaded fittings of Class 150?

（A）ASME B16.3

（B）ASME B16.5

（C）ASME B16.4

（D）ASME B16.1

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 3

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

（A）960 ft2

（B）12 sprinklers

（C）14 sprinklers

（D）1200 ft2

正解：B 解答を投票する

質問 4

The minimum design criteria for the design of a new sprinkler system in a residential occupancy, with noncombustible concealed spaces, in an NFPA 13 based design is how many residential sprinklers and what density?

（A）2 sprinklers at 0.05 gpm/ft2 (2.0 mm/min)

（B）4 sprinklers at 0.10 gpm/ft2 (4.1 mm/min)

（C）8 sprinklers at 0.10 gpm/ft2 (4.1 mm/min)

（D）3 sprinklers at 0.05 gpm/ft2 (2.0 mm/min)

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 5

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?

（A）NFPA 13R

（B）NFPA 13

（C）NFPA 13D

（D）NFPA 20

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 6

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 III

（C）Cartoned, Class IV

（D）Cartoned, Group A, unexpanded plastic

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 7

What is the minimum exposed barrel length for a dry sprinkler barrel exposed to 50°F (10#) when the discharge end is in an environment of -30°F (34#)?

（A）18 in. (450 mm)

（B）8 in. (200 mm)

（C）3 in. (75 mm)

（D）16 in. (400 mm)

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 8

In a building where the maximum ceiling temperature will be 80°F (26°C), what would be the lowest permissible temperature classification for the sprinklers?

（A）Intermediate

（B）Extra high

（C）Ordinary

（D）High

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 9

The purpose of the owner's certificate is to

（A）replace project plans.

（B）be a declaration by the sprinkler contractor as to the hazards in the building.

（C）help ensure that the capability of the sprinkler system is adequate to address the hazard.

（D）obtain the building permit.

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 10

What is the hose stream allowance and duration for rolled paper storage protected using ESFR sprinklers?

（A）250 gpm (950 L/min) for 180 minutes

（B）250 gpm (950 L/min) for 60 minutes

（C）500 gpm (1900 L/min) for 180 minutes

（D）500 gpm (1900 L/min) for 120 minutes

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

CWBSP 無料問題集「NFPA Certified Water-Based Systems Professionals」

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