单项选择题
Which of the following statements concerning fuel atomization in a diesel engine cylinder is correct?（）
A.The greater the atomization, the greater the penetration
B.The greater the atomization, the less the penetration
C.The degree of atomization has nothing to do with the degree of penetration
D.Atomization and penetration are one and the same
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相关考题
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单项选择题
If a tow-stroke/diesel engine is over-speeding due to leakage of lube oil into the cylinders, what should you do to stop the engine?（）
A.Move the fuel control mechanism to the no fuel position
B.Block the fuel supply by closing the master fuel valve
C.Shut off the fuel supply and block the flow of intake air
D.Relieve all pressure in the fuel system -
单项选择题
The breaking-up of fuel as it enters a diesel engine cylinder is known as（）
A.airification
B.vaporization
C.atomization
D.gasification -
单项选择题
The exhaust ports of a diesel engine using the cross-flow scavenging method are opened and closed by the （）
A.reciprocating motion of exhaust valves
B.rotary motion of the camshaft
C.reciprocating motion of the piston
D.developed differential
