單項(xiàng)選擇題

When fighting a fire on a bulkhead using a portable carbon dioxide extinguisher，the stream should be directed at the（）.

A.base of the flames，moving the horn from side to side，following the flames upward as they diminish
B.top of the flaming area，moving the horn from side to side，following the flames downward as they diminish
C.center of the flaming area，moving the horn vertically from top to bottom
D.bottom of the flaming area，moving the horn vertically to the top following the flames upward as they diminish

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單項(xiàng)選擇題

When fighting a fire in an enclosed space，the hose team should crouch as low as possible to（）.

A.protect themselves from smoke
B.obtain the best available air
C.allow the heat and steam to pass overhead
D.All of the above

單項(xiàng)選擇題

When electrical equipment is involved in a fire，the stream of dry chemicals should be（）.

A.aimed at the source of the flames
B.fogged above the equipment
C.shot off a flat surface onto the flames
D.used to shield against electrical shock

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When fighting a fire on a bulkhead using a portable carbon dioxide extinguisher，the stream should be directed at the（）.

你可能感興趣的試題

When fighting a fire in an enclosed space，the hose team should crouch as low as possible to（）.

When electrical equipment is involved in a fire，the stream of dry chemicals should be（）.

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When fighting a fire on a bulkhead using a portable carbon dioxide extinguisher，the stream should be directed at the（）.

When fighting a fire in an enclosed space，the hose team should crouch as low as possible to（）.

When electrical equipment is involved in a fire，the stream of dry chemicals should be（）.