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【单选题】

On a medium-speed main propulsion diesel engine, the crank-pin or crank journal bearings receive lubricating oil from ().

A、a spindle lubricator

B、an oil jet

C、internal splashing

D、drilled passages in the crankshaft

更多“On a medium-speed main propulsion diesel engine, the crank-pin or crank journal bearings receive lubricating oil from ().”相关的问题
第1题

A、Slow speed diesel engines  B、Medium-speed diesel engines  C、Steam engines  D、Gasoline engines  

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第2题

Aa single, long-stroke, slow-speed, turbocharged, two-stroke diesel engine  B、a single, long-stroke, medium-speed, turbocharged, four-stroke diesel engine  C、two medium-speed, turbocharged, four-stroke diesel engines  D、a variable-speed AC generator  

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第3题

AA.slow-speed diesel  B、B.medium-speed diesel  C、C.high-speed diesel  D、D.constant-speed diesel  

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第4题

A、To reduce the main engine speed  B、To increase the main engine speed  C、To govern the main engine speed  D、To fix the propeller shaft  

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第5题

A、Engine is hard to start  B、Engine misses  C、Surges at governed RPM  D、Coolant temperature is too low  

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第6题

A、The medium speed 4-stroke trunk piston engine  B、The low speed 2-stroke crosshead engine  C、The medium speed 2-stroke crosshead engine  D、The low speed 4-stroke trunk piston engine  

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第7题

A、hard starting  B、excessive fuel consumption  C、loss of power  D、all of the above  

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第9题

A、they operate between 150 and 450 rpm  B、they are connected to the propeller by gearing  C、their smaller size and weight  D、they can be connected directly to the propeller without gearing  

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