A.has to be cooled
B.has heated
C.has preheated
D.has to be preheated
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A.inefficiency
B.oiliness
C.detergency
D.purity
A.reciprocating pump
B.gear pump
C.centrifugal pump
D.vane pump
A.the cylinder
B.the crankshaft
C.the piston
D.the cross-head
A.the exhaust valves
B.the fuel valves
C.indicator cocks
D.the fuel pumps
A.the indicating cock
B.the starting valve
C.air inlet valve
D.the exhaust valve
最新試題
A thrust bearing is used with a propulsion diesel engine to （）.
What is the function of the thrust bearing?（）
Maximum horsepower of a diesel engine is attained （）.
Diesel engine control can be obtained by the bridge （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
To determine if the lube oil filter elements need changing, （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
The main purpose of the piston oil scraper rings is to （）.