A.lubrication
B.cooling
C.balancing purpose
D.ventilation
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A.can be recovered
B.is only supplied to cylinders
C.only feeds the main bearing
D.is a kind of detergent
A.pressure gauges
B.stretch gauges
C.thermometers
D.bridge gauges
A.should be gradually increased
B.should be gradually reduced
C.should be constantly kept
D.should be varied up and down
A.dividing walls
B.divided walls
C.dividing liners
D.divided jackets
A.water liner
B.wet liner
C.dry liner
D.drown liner
最新試題
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
The function of diesel engine piston compression rings is to （）.
Combustion knock occurring in a diesel engine can be caused by （）.
Proper filtering and straining of fuel oil is important because the （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
White smoke exhausting from an operating diesel engine may indicate （）.
A thrust bearing is used with a propulsion diesel engine to （）.