A.low specific heat
B.corrosive action
C.high expense
D.acid property
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A.injecting fuel oil into a cylinder
B.removing exhaust gases from the cylinder
C.forcing air into the cylinders under pressure after the exhaust valve has dosed
D.a combination of all the above
A.the suction
B.the compression
C.the removal
D.the deliver
A.governor
B.safety valve
C.reducing valve
D.feed water regulator
A.automatic
B.local
C.remote
D.manual
A.make sure
B.be sure
C.assure
D.believe
最新試題
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Maximum horsepower of a diesel engine is attained （）.
In using reduction gears to obtain efficient propeller speeds, （）.
The main purpose of the piston oil scraper rings is to （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
Routine monitoring of a diesel engine should include （）.
A diesel engine piston ring face is in direct contact with the （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.