默认题库 - 应急预案与EMS

单选题

When joining the female coupling of the fire hose to the male outlet of the hydrant，you should make sure that the（）.

A. threads are lubricated
B. nozzle is attached to the hose
C. female coupling has a gasket
D. hose is led out

单选题

When possible，what should be the FIRST step in combating a fire on deck resulting from a cargo overflow or a leaking cargo line?（）

A. Blanket the cargo spill with foam
B. Prevent the spread of fire with a foam dam
C. Apply CO2 on burning fuel at its source
D. Shut off the transfer of cargo

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单选题

Which precaution should be taken when testing a line throwing gun?（）

A. Never remove the line from the rocket
B. Fire it at an angle of approximately 90 degrees to the horizon
C. Wear asbestos gloves
D. All of the above

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单选题

Which fire extinguishing agent can NOT be used on an ethylenediamine?（）

A. Water foam
B. Dry chemical powder
C. Water fog
D. Alcohol foam

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单选题

Which firefighting method is an example of an indirect attack on a fire?（）.

A. Bouncing a straight stream of water off the overhead to create spray effect
B. Spraying foam on a bulkhead and letting it flow down and over a pool of burning oil
C. Flooding a paint locker with CO2 and sealing the compartment
D. Cooling adjacent bulkheads with water to prevent the spread of the fire by conductio

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单选题