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【单选题】

If the scavenge fire is of a more major nature, if there is a risk of the fire extending or if the scavenge trunk is adjacent to the crankcase with risk of a hot spot developing it sometimes becomes necessary to （）the engine.

A、stop

B、start

C、speed up

D、slow down

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更多“If the scavenge fire is of a more major nature, if there is a risk of the fire extending or if the scavenge trunk is adjacent to the crankcase with risk of a hot spot developing it sometimes becomes necessary to （）the engine.”相关的问题
第1题
[单选题] If a scavenge fire starts, the engine must be put to “（）” and the fuel must be taken off the cylinders affected by the fire.

A、stop engine  B、finished with engine  C、dead slow ahead  D、dead slow astern  

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第2题
[单选题] If scavenge box should be hot, （）would occur.

A、seized piston  B、defective atomizer  C、scavenge fire  D、too much LO  

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第3题
[单选题] If cylinder liner wear is up to maximum limits the possibility of scavenge fires will not be materially reduced until the liners are （）.

A、polished  B、renewed  C、adjusted  D、ground  

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第4题
[单选题] When occurring a fire in the scavenge air box, the following measures should be taken except for（）

A、reducing speed to SLOW and asking bridge for permission to stop  B、stopping the fuel oil supply  C、switching-on the auxiliary blowers  D、putting the scavenge air box fire extinguishing equipment into function  

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第5题
[单选题] If the flame from combustion in the cylinder of a four-stroke engine past the piston into the space below, the accumulation of flammable mixture would be ignited, thus resulting in （）.

A、the crankcase explosion  B、lifting of the cylinder safety valve  C、a scavenge fire  D、opening of the manhole  

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第6题
[单选题] The indications of a scavenge fire are excessive black smoke, （） and peeling from scavenge trunking.

A、turbo-chargers surge  B、spark seen from the drains  C、paint blistering  D、all above are right  

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第7题
[单选题] Indications of （）are loss in power and irregular running of the engine, high exhaust temperatures of corresponding unite, high local temperature in scavenge trunk, surging of turbocharger, and sparks and smoke emitted from scavenge drains.

A、a crankcase explosion  B、a scavenge fire  C、abnormal compression ratio  

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第8题
[单选题] Fire protection regulations for towing vessels require training in all of the following，EXCEPT（）.

A、putting on a fireman's outfit，if the vessel is so equipped  B、donning a self-contained breathing apparatus，if the vessel is so equipped  C、activating the general alarm and reporting inoperative alarm systems and fire-detection systems  D、refilling and servicing all expended fire extinguishing equipment  

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第9题
[] If a fire occurs in the boiler room as a result of a leaking fuel line, you should FIRST （）.

A、A.notify the engineer on watch  B、B.isolate and secure the piping  C、C.throw sand on the fire  D、D.extinguish the fire using a combination nozzle with applicator  

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