單項(xiàng)選擇題In a modern internal combustion diesel engine, the load carrying part of the engine is referred to as the()

A.bedplate or base
B.sump or oil pan
C.cylinder block
D.frame


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1.單項(xiàng)選擇題Black smoke exhausting from an operating diesel engine is an indication of poor combustion which may be caused by ()

A.water in the fuel
B.insufficient fuel for combustion
C.clogged air intake passages
D.burning lubricating oil

2.單項(xiàng)選擇題Increasing the compression ratio of a diesel engine while maintaining the designed rate of fuel flow will result in ()

A.increased horsepower
B.reduced efficiency
C.increased heat loss
D.lower cylinder pressures

3.單項(xiàng)選擇題An emergency diesel generator should automatically shut down in the event of ()

A.dangerous over-speeding
B.a loss of lube oil pressure
C.activation of the fixed CO2 system for the emergency generator space
D.all of the above

4.單項(xiàng)選擇題The purpose of the flywheel is to ()

A.provide energy to operate the engine between power impulses
B.neutralize the primary inertia force of the crankshaft
C.reduce the shock of starting loads on the main bearings
D.prevent the engine from operating at critical speed

5.單項(xiàng)選擇題While overhauling a jerk-type fuel pump it is necessary to replace the pump plungerWhich of the parts listed below must also be replaced?()

A.Delivery check valve
B.Pump barrel
C.Tubing to the injector
D.Cam follower

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The treatment of the fuel oils involves storage, heating, filtering and()

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()are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.

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As soon as a diesel engine has started, which of the listed engine operating parameters should be checked FIRST?()

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When does auxiliary burner of incinerator put into operation? ()Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish

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For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?()

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If two A.C.generators are to be operated in parallel, the load is distributed evenly by()

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The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the()

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Under MARPOL Code the ship to which it applies has to carry ()

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The shipboard oil pollution emergency plan will be invalid after ()

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During the diesel engine running, the water level of F.W expansion tank should normally kept in the () level of glass tube.

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