A.the same as
B.similar to
C.separated from
D.different from
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A.safety valve
B.indicator cock
C.blow-down valve
D.start valve
A.the exhaust valve
B.the starting air
C.the inlet valve
D.the fuel oil
A.to protect
B.to guard
C.to maximize
D.to minimize
A.will be speeded up
B.should be slowed down
C.must slow down
D.have to be slow down
A.the trunking should be opened up
B.should the trunking be opened up
C.the trunking should not be opened up
D.should the trunking not be opened up
最新試題
The function of diesel engine piston compression rings is to （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
A thrust bearing is used with a propulsion diesel engine to （）.
To determine if the lube oil filter elements need changing, （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
White smoke exhausting from an operating diesel engine may indicate （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.