單項(xiàng)選擇題

Convection spreads a fire by（）.

A.heated gases flowing through ventilation systems
B.the transfer of heat across an unobstructed space
C.burning liquids flowing into another space
D.transmitting the heat of a fire through the ship's metal

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單項(xiàng)選擇題

Controls for a fixed carbon dioxide system shall be mounted（）.

A.directly outside the space protected by the system
B.as near the gas cylinders as possible
C.in the pilothouse
D.on the main deck near the bow

單項(xiàng)選擇題

Control of flooding should be addressed（）.

A.first
B.following control of fire
C.following restoration of vital services
D.only if a threat exists

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Convection spreads a fire by（）.

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Controls for a fixed carbon dioxide system shall be mounted（）.

Control of flooding should be addressed（）.