A.is purified
B.in timed
C.is compressed
D.atomizes
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A.crown and skirt
B.liner and jacket
C.ring and groove
D.jacket and block
A.thinner
B.thicker
C.smoother
D.rougher
A.telescopic pipe
B.large bore pipe
C.generating pipe
D.central pipe
A.flat surface
B.mirror finish
C.sloping surface
D.inclined surface
A.upwards；top
B.upwards；bottom
C.downwards；top
D.downwards；bottom
最新試題
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
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（）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）
If separating effect is not good, which measure should be taken （）
Under MARPOL Code the ship to which it applies has to carry （）
Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）
To proceed to the assistance of a ship in distress is（）