A.gives up large amount of heat
B.gives off large amount of heat
C.gives up large amount of steam
D.gives off large amount of steam
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A.to fuel oil instead of diesel oil
B.for fuel oil instead of diesel oil
C.to diesel oil into fuel oil
D.for diesel oil into fuel oil
A.as much fuel as
B.less fuel than
C.less fuel as
D.more fuel than
A.reduce its speed
B.find out its trouble
C.eliminate its trouble
D.all the above
A.Diesel engines have more advantages in comparison with gasoline engines
B.Diesel engines have more advantages in comparison to gasoline engines
C.Gasoline engines have more advantages in comparison with diesel engines
D.Gasoline engines have more advantages in comparison to diesel engines
A.has much to do with the operation of the engine and its life
B.have much to do with the operation of the engine and its life
C.has much doing with the operation of the engine and its life
D.have much doing with the operation of the engine and its life
最新試題
Lube oil cannot be efficiently filtered if its （）.
Diesel engine control can be obtained by the bridge （）.
Routine monitoring of a diesel engine should include （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
The function of diesel engine piston compression 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 （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.