單項選擇題If it becomes necessary to cutout an individual cylinder of a large, low-speed, main propulsion diesel engine, the fuel to that cylinder should be secured and its （）

A.fuel pump should be removed and all connections blanked off
B.cylinder oil feed rate should be increased slightly above that used at normal sea speed
C.cylinder oil feed rate should be reduced
D.cylinder oil feed rate should be increased to the maximum flow capable of the metering pump


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1.單項選擇題The satisfactory operation of diesel engine exhaust valves usually depends on（）

A.the proper back pressure
B.the cooling water temperature
C.correct timing and proper seating
D.accurate metering and the exhaust temperature

2.單項選擇題If an auxiliary diesel engine frequently stalls, the trouble may be caused by （）

A.low exhaust back pressure
B.air in the fuel system
C.gasket blow-by or leakage
D.incorrect assembly of idler springs

4.單項選擇題The exhaust gases in a supercharged two-stroke/cycle diesel engine are expelled from the cylinder by （）

A.pumping action of the piston
B.pressure of the fuel charge
C.vacuum developed in the manifold
D.pressure of the fresh air charge

5.單項選擇題Which of the listed items should be secured before performing any maintenance on a solenoid operated air start valve?（）

A.Electric power and starting air
B.Lube oil standby pump and control air
C.Hydraulic switch and engage jacking gear
D.Motor drain and pneumatic control system power

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To proceed to the assistance of a ship in distress is（）

題型：單項選擇題

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

題型：單項選擇題

Using a file without a handle may result in （）

題型：單項選擇題

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

題型：單項選擇題

Which one is NOT the ‘clear grounds’ for a more detailed inspection?（）

題型：單項選擇題

To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）

題型：單項選擇題

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

題型：單項選擇題

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

題型：單項選擇題

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（）

題型：單項選擇題

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

題型：單項選擇題