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
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
The main purpose of the piston oil scraper rings is to （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
The function of diesel engine piston compression rings is to （）.
To determine if the lube oil filter elements need changing, （）.
In a simple mechanical governor, the （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.