單項(xiàng)選擇題

Recharging a previously used cartridge-operated dry-chemical extinguisher is accomplished by（）.

A.authorized fire equipment servicing personnel only
B.replacing the propellent cartridge and refilling with powder
C.puncturing the cartridge seal after installation
D.recharging the cartridge and refilling it with powder

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單項(xiàng)選擇題

Radiation spreads a fire by（）.

A.transferring heat across an unobstructed space
B.heated gases flowing through ventilation systems
C.burning liquids flowing into another space
D.transmitting the heat of a fire through the ship's metal

單項(xiàng)選擇題

Prior to getting underway，the Master or person in charge of a ship must（）.

A.conduct a fire drill
B.conduct a boat drill
C.log the fore and aft draft marks
D.test the emergency generator

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Recharging a previously used cartridge-operated dry-chemical extinguisher is accomplished by（）.

你可能感興趣的試題

Radiation spreads a fire by（）.

Prior to getting underway，the Master or person in charge of a ship must（）.

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Prior to getting underway，the Master or person in charge of a ship must（）.