默认题库 - 探火与消防设备

单选题

According to the regulations，what fire safety control feature is required in quick-closing shut off valves?（）

A. Electrical cut off switch
B. A fusible link
C. Manual cut off switch
D. A water spray actuator

单选题

A spanner is a（）.

A. cross connection line between two main fire lines
B. special wrench for tightening couplings in a fire hose line
C. tackle rigged to support a fire hose
D. None of the above

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单选题

A portable dry chemical fire extinguisher discharges by（）.

A. gravity when the extinguisher is turned upside down
B. pressure from a small CO<sub>2</sub> cartridge on the extinguisher
C. air pressure from the hand pump attached to the extinguisher
D. pressure from the reaction when water is mixed with the chemical

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单选题

A fuel line breaks，sprays fuel on the hot exhaust manifold，and catches fire. Your FIRST action should be to（）.

A. batten down the engine room
B. start the fire pump
C. apply carbon dioxide to the fire
D. shut off the fuel supply

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单选题

A branch line valve of a fire extinguishing system on a ship must be marked with the（）.

A. maximum pressure allowed at that branch
B. name of the space or spaces which it serves
C. date of the last maintenance inspection
D. pressure needed to maintain an effective stream at that point

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单选题

（），as the chemical extinguisher agent，should be used for an electric fire.

A. dry chemical or foam
B. foam or soda acid
C. carbon dioxide or foam
D. carbon dioxide or dry chemical

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单选题

A cabinet or space containing the controls or valves for the fixed firefighting system must be（）.

A. posted with instructions on the operation of the system
B. ventilated and equipped with explosion-proof switches
C. painted with red and black diagonal stripes
D. equipped with a battery powered source of emergency lighting

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单选题

At night while the ship is tied up to the dock，a fire breaks out in a cargo hatch. After sounding the alarm，what should the person on watch do?（）

A. Begin fighting the fire immediately
B. Await further orders from the Master
C. Let go the lines to let the vessel drift to an anchorage
D. Send a person to summon the shore authoritie

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单选题

Any ship damaging a pipe could（）an immediate danger of fire.

A. meet
B. face
C. be in font of
D. follow

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单选题

Any firefighting equipment that is carried in addition to the minimum required must（）.

A. meet the applicable standards
B. be marked as additional equipment
C. be stowed in a separate area
D. All of the above

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