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
An automated diesel engine should normally shut down due to （）
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
A thrust bearing is used with a propulsion diesel engine to （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
The main purpose of the piston oil scraper rings is to （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
The function of diesel engine piston compression rings is to （）.