A.result from
B.result in
C.give out
D.given from
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A.make
B.cause
C.result
D.produce
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
最新試題
The main purpose of the piston oil scraper rings is to （）.
Routine monitoring of a diesel engine should include （）.
Lube oil cannot be efficiently filtered if its （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
To determine if the lube oil filter elements need changing, （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.