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
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
An automated diesel engine should normally shut down due to （）
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
A diesel engine piston ring face is in direct contact with the （）.
Lube oil cannot be efficiently filtered if its （）.
In a simple mechanical governor, the （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
A thrust bearing is used with a propulsion diesel engine to （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）