A.Air must be admitted；without
B.Oil must be injected；without
C.Air must be admitted；with
D.Oil must be injected；with
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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
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
最新試題
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
A diesel engine piston ring face is in direct contact with the （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
The function of diesel engine piston compression rings is to （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）