Propulsion engines and the vast majority of auxiliary generator engines are designed to allow a generous through-flow of scavenge air in order to control （）

A、the lubricating oil consumption

B、the turbine blade temperature

C、the flow rate of fuel

D、scavenge air pressure

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第1题

[] With（） the engine need not to be aligned with reduction gears or propeller shaft.

A、A.Diesel engine propulsion B、B.Diesel electric propulsion C、C.Steam engine propulsion D、D.Gas turbine propulsion

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第2题

[单选题] （） allows the engine to be placed wherever is most suitable, as they no longer have to be aligned with reduction gearing and shafting as is the case with conventional installations.

A、Diesel engine propulsion B、Diesel electric propulsion C、Steam engine propulsion D、Gas turbine propulsion

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第3题

[单选题] Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.

A、wheelhouse control station B、engine room control station C、captains office D、chief engineers office

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第4题

[单选题] Propulsion of the vast majority of contemporary merchant ships (especially containerships and VLCCs) utilizes（） as prime mover.

A、gas turbine B、diesel engine C、steam engine D、gasoline engine

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第5题

[单选题] Which of the following statements concerning the lubrication of diesel propulsion engines used in vessels over 300 gross tons is most accurate?（）

A、Lubrication systems using engine driven lube oil pumps do not require any additional independent arrangement when such arrangements have been proven reliable B、The use of engine driven pre-lube pumps is permitted on vessels with propulsion systems developing less than 500 shaft horsepower C、When forced lubrication is used for propulsion engines, one independently driven stand-by pumps is to be provided in addition to the necessary pumps for normal operation D、Lubrication systems where two oil coolers are fitted require a minimum of two temperature control devices which may be actuated by similar sensors