A.make
B.cause
C.result
D.produce
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A.boiler
B.heater
C.engine
D.cooler
A.to retain
B.to remain
C.to maintenance
D.to have
A.good lubrication
B.low thermal stress
C.good mechanical properties
D.acid corrosion
A.for starting diesel engines
B.in pneumatic control system
C.in pneumatic tools
D.All the above are true
A.the air receivers
B.the starting valves
C.the cylinder covers
D.the distributors
最新試題
Maximum horsepower of a diesel engine is attained （）.
The function of diesel engine piston compression rings is to （）.
An automated diesel engine should normally shut down due to （）
The highest pressure in a diesel engine cylinder normally occurs （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Lube oil cannot be efficiently filtered if its （）.
What is the function of the thrust bearing?（）
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.