A fire can be extinguished by removing （）.

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• All portable fire extinguishers must be capable of being（）.

  A . carried by hand to a fire B . carried or rolled to a fire C . recharged in the field D . used on class "B" fire

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• If a CO2 fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?（）

  A . Dry chemical B . Halon C . Low velocity fog D . Steam

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• A carbon dioxide fire extinguisher has been partially discharged, and should be immediately （）.

  A . tagged and restowed properly in its rack B . weighed and the charge loss recorded C . given to the chief engineer for recharging D . tagged "empty" and stowed separately from charged extinguisher

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• The remote control for a fixed fire extinguishing system should be（）.

  A . painted red and labeled B . concealed from the crew C . protected by plexiglass D . padlocked

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• When must a dry chemical fire extinguisher be recharged?（）

  A . After each use B . When the air temperature exceeds 90°F C . Every 6 months D . Every 12 month

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• Portable CO2 fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of（）.

  A . the CO being inhaled by personnel B . reflash of burning liquids C . vapor condensation on the extinguisher D . the discharge causing a static spark

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• A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in（）.

  A . generators B . oil drums C . the bridge controls D . combustible metal

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• 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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• Each hand portable，semi-portable and fixed fire extinguishing unit on a ship must be tested and inspected at least once every（）.

  A . six weeks B . six months C . twelve months D . two year

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• A carbon dioxide fire extinguisher should be recharged（）.

  A . at least annually B . whenever it is below its required weight C . only if the extinguisher has been used D . before every safety inspectio

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• The discharge from a carbon dioxide fire extinguisher should be directed（）.

  A . at the base of the flames B . at the center of the flames C . to the lee side of the flames D . over the tops of the flame

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• Halon extinguishers used on a class C fire should be directed at the（）.

  A . base of the equipment B . top of the equipment C . power source D . source of the fire

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• Records of tests and inspections of a cargo vessel’s fire extinguishing systems shall be kept on board（）.

  A . for 1 year B . for 2 years C . until the next Coast Guard inspection D . until the vessel's Certificate of Inspection expire

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• Each hand portable fire extinguisher on a ship must be marked with（）.

  A . the name of the unit on which it is located B . the date that it was installed on the unit C . the names of the individuals qualified to use it D . an identification number different from other extinguishers on the unit

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• A foam-type portable fire extinguisher would be most useful in combating a fire in（）.

  A . soild materials such as wood or bales of fiber B . flammable liquids C . a piece of electrical equipment D . combustible metallic solid

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• You can determine that a C02 fire extinguisher is fully charged by（）.

  A . looking at the gage B . checking the nameplate data C . weighing by hand D . weighing on a properly calibrated scale

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• A galley grease fire on the stove may be extinguished using（）.

  A . water B . foam C . the range hood extinguishing system D . fire damper

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• An “ABC” dry chemical fire extinguisher would be LEAST effective against a fire in（）.

  A . a mattress B . spilled liquids such as oil or paint C . high voltage electrical gear D . a trash ca

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• An ABC dry chemical fire extinguisher would be least effective against a fire in（）.

  A . a mattress B . spilled liquids such as oil or paint C . high voltage electrical gear D . a trash ca

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• Halon from extinguishers used on a class B fire，should be directed（）.

  A . at the top of the flames B . at the base of the fire near the edge C . in short quick bursts D . toward the upwind side of the fire

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• Which portable fire extinguisher should be used on a class C fire on board a vessel?（）

  A . Carbon dioxide B . Water (stored pressure) C . Foam D . Carbon tetrachloride

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• A squeeze-grip type carbon dioxide portable fire extinguisher has been partially discharged.It should be ______.

  A.replaced in its proper location if weight loss is no more than 15% B.replaced in its proper location if weight loss is no more than 25% C.labeled empty and recharged as soon as possible D.labeled empty and replaced in its proper location regardless of weight

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