單項(xiàng)選擇題In a four-cycle diesel engine piston blow-by can result in increased()

A.crankcase pressure
B.compression pressure
C.scavenge pressure
D.exhaust manifold pressure


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題The most effective method in removing water from diesel fuel oil is by()

A.centrifuging the fuel
B.using it in the engine
C.heating the fuel tanks
D.starting the fuel

2.單項(xiàng)選擇題On board supply vessels, a centrifuge is normally used to purify()

A.cooling water
B.fuel oil
C.sea water
D.diesel intake air

3.單項(xiàng)選擇題Water accumulating in the crankcase of a diesel engine could indicate()

A.a cracked cylinder liner
B.excessive water in the fuel
C.a leaking intercooler
D.excessive moisture in the scavenge air

4.單項(xiàng)選擇題The device used to store a charged pressure for a hydraulic starting system is called the()

A.reservoir
B.hand pump
C.accelerator
D.accumulator

5.單項(xiàng)選擇題How dose water enter the crankcase of a diesel engine?()

A.Through the crankcase exhauster
B.As water vapor contained in blow-by
C.Demulsifying lube oil passing through the main bearings
D.Condensation from vapor formed in the expansion tank

最新試題

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(xiàng)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(xiàng)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(xiàng)選擇題

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

題型:單項(xiàng)選擇題

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

題型:單項(xiàng)選擇題

Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the()

題型:單項(xiàng)選擇題

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

題型:單項(xiàng)選擇題

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

題型:單項(xiàng)選擇題

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

題型:單項(xiàng)選擇題

Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?()

題型:單項(xiàng)選擇題