The spreading of fire as a result of heat being carried through a vessels ventilation system, is an example of heat transfer by （）.

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  A . stop valves B . non-return valves C . quick closing valves D . relief valve

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• Which of the following statements is true concerning carbon dioxide when used as a fire extinguishing agent?（）

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• To prevent the spread of fire by convection you should （）.

  A . remove combustibiles from direct exposure B . cool the bulkhead around the fire C . close all openings to the area D . shut off electrical power

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• A facility used for the discharge of a cargo of a particular hazard，such as chlorine，butane or ethane，must have what to warn water traffic of an immediate danger during fire or cargo release?（）

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• In the event of a fire, the doors to a stair tower must be closed to prevent the spread of fire by （）.

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• Fire dampers prevent the fire spreading through the process of （）.

  A . convection B . conduction C . radiation D . direct contact

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• The fire of burning plastics is classified as （） fire.

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• Fire dampers prevent the spread of fire by（）.

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• The fire of burning paper is classified as（）fire.

  A . Class A B . Class B C . Class C D . Class D

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• The system will include various （） such as low tank level alarms and remote operation of tank outlet valves in the events of a fire.

  A . Switches B . panels C . alarm units D . safety device

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• The spread of fire is prevented by（）.

  A . cooling surfaces adjacent to the fire B . leaving combustibles in the endangered area C . increasing the oxygen supply D . All of the above

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• Which of the listed materials would be considered as a bunting class "C" fire?（）

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• To prevent the spread of fire by conduction, you should （）.

  A . cool the bulkheads around the fire B . remove combustibles from direct exposure C . close all openings to the area D . shut off all electric power

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• Large volumes of carbon dioxide are safe and effective for fighting fires in enclosed spaces，such as in a pumproom，provided that the（）.

  A . persons in the space wear gas masks B . persons in the space wear damp cloths over their mouths and nostrils C . ventilation system is secured and all persons leave the space D . ventilation system is kept operating

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• The fire of sodium is classified as（） fire.

  A . Class A B . Class B C . Class C D . Class D

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• If a fire occurs in the boiler room as a result of a leaking fuel line, you should FIRST （）.

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• A fire may be spread by which of the following means?（）

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• The heat generated by a fire will be transferred through a bulkhead or dock, as a result of （）.

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