A.keyway
B.shaft
C.valve
D.casing
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A.self priming
B.positive displacement
C.reciprocating
D.impeller
A.turbine
B.screw
C.vane
D.ejector
A.turbine
B.screw
C.vane
D.ejector
A.closed
B.opened fully
C.cracked open
D.partly open
A.closed
B.opened fully
C.cracked open
D.partly open
最新試題
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If separating effect is not good, which measure should be taken （）
To shut down a diesel engine after it exceeds the set maximum speed，which type of device listed should be used?（）
（） is not installed on the main switchboar.
The ISPS Code consists of a mandatory section-Part A, which shows（）
Thermostatic steam pressure reducing valves are used in the fuel oil service system to control the（）
Under MARPOL Code the ship to which it applies has to carry （）
Cold weather starting of a diesel engine may be made easier by（）
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
Diesel engine air start system check valves are opened by （）