單項(xiàng)選擇題

A fire in the galley ALWAYS poses the additional threat of（）.

A.contaminating food with extinguishing agent
B.spreading through the engineering space
C.causing loss of stability
D.a grease fire in the ventilation system

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單項(xiàng)選擇題

A fire in a ballast pumproom can be brought under control with minimal impact on stability by（）.

A.cooling the outside bulkheads with water
B.shutting all sources of air into the compartment
C.closing the sea chest
D.flooding the compartment with salt water

單項(xiàng)選擇題

A fifteen-pound CO₂ extinguisher（）.

A.contains 15 pounds of CO₂
B.weighs 15 pounds when full of CO₂
C.has 15 pounds of pressure at the nozzle
D.weighs 15 pounds when empty

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A fire in the galley ALWAYS poses the additional threat of（）.

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A fire in a ballast pumproom can be brought under control with minimal impact on stability by（）.

A fifteen-pound CO2 extinguisher（）.

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A fifteen-pound CO₂ extinguisher（）.