题目内容
(请给出正确答案)
[主观题]
A diesel engine burns _____ a gasoline engine of the same capacity in the same period of time.
A.as much fuel as
B.less fuel than
C.less fuel as
D.more fuel than
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A.as much fuel as
B.less fuel than
C.less fuel as
D.more fuel than
第1题
A.Sensitivity
B.Power
C.Speed droop
D.Compensation
第2题
A.cast iron has weakness
B.cast iron can stand up shock loading
C.cast iron fittings are only suitable in low pressure situation
D.east iron fittings are not suitable in low pressure situation
第3题
A.provide a means of draining the boiler
B.warn the engineer of low water level
C.cool the crown sheet at high firing rates
D.open the burners electrical firing circuits
第4题
A.acid formation
B.sludge formation
C.ice in the expansion valve
D.All of the above
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