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【单选题】

Deck foam systems,designed to protect cargo areas on tankers built after January 1,1975,must have a supply of foam-producing material to operate the system at its designed rate of foam production for().

A、15 minutes without recharging

B、20 minutes without recharging

C、25 minutes without recharging

D、30 minutes without recharging

更多“Deck foam systems,designed to protect cargo areas on tankers built after January 1,1975,must have a supply of foam-producing material to operate the system at its designed rate of foam production for().”相关的问题
第1题

A、Foam should not be used on electrical fires  B、One kilo of low expansion foam solution produces much more foam  C、Foam is only efficient when it covers the top of burning combustibles  D、A stream of foam should be deflected off the deck in order to best agitate the fire  

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第2题

A、CO2 system  B、Foam system  C、Dry power system  D、Water supply system  

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第3题

A、There are nine people in the deck department.  B、The department has nine people  C、There are nine people in the deck de  D、The deck has nine people.  

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第4题

A、combustion control air system  B、supply air system  C、ships service air system  D、low pressure deck air system  

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第6题

A、Blanket the cargo spill with foam  B、Prevent the spread of fire with a foam dam  C、Apply CO2 on burning fuel at its source  D、Shut off the transfer of cargo  

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第7题

A、dry chemical  B、foam  C、high-velocity fog  D、Water (cartridge-operated)  

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第8题

A、A.dry chemical  B、B.foam  C、C.high-velocity fog  D、D.water  

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