單項選擇題The exhaust system for a turbocharged diesel engine functions to ()

A.power the after-coolers
B.power the turbocharger
C.reduce the cylinder scavenge effect
D.cool the turbocharger


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1.單項選擇題If the analysis of used lube oil indicates a high content of iron particles, this could indicate()

A.corrosive deterioration of a bearing
B.inadequate air filtration
C.excessive ring and liner wear
D.excessive cooling of lubricating oil

2.單項選擇題Late fuel injection timing is indicated by ()

A.lower than normal cylinder pressure and low exhaust temperature
B.lower than normal cylinder pressure and high exhaust temperature
C.higher than normal cylinder pressure and low exhaust temperature
D.higher than normal cylinder pressure and high exhaust temperature

3.單項選擇題The process of supplying a diesel engine cylinder with air at a pressure greater than atmospheric is called().

A.engine displacement
B.super-aspirating
C.air injection
D.supercharging

4.單項選擇題In a diesel engine, blow-by()

A.increase exhaust back pressure
B.causes excessive crankcase pressure
C.can only be detected by a compression check
D.decreases fuel consumption

5.單項選擇題A diesel engine will lose power if fuel injection occurs too late in the cycle, because the()

A.fuel droplets will burn as they leave the fuel injector
B.fuel will not be properly atomized in the cylinder
C.maximum expansion of the burned fuel cannot take place in the cylinder
D.compression pressure will be too low to cause fuel ignition

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Cold weather starting of a diesel engine may be made easier 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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Using a file without a handle may result in ()

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Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?()

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Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?()

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The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated()

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By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a()

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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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The ISPS Code consists of a mandatory section-Part A, which shows()

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