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提问人:网友joyfzf 发布时间:2022-01-06
[主观题]

Fuel oil begins injection into the cylinder of a four-stroke/cycle diesel engine during th

e _____.

A.intake stroke

B.exhaust stroke

C.power stroke

D.compression stroke

简答题官方参考答案 (由简答题聘请的专业题库老师提供的解答)
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更多“Fuel oil begins injection into the cylinder of a four-stroke/cycle diesel engine during th”相关的问题
第1题
If fuel injection to a four-stroke/cycle diesel engine begins earlier than designed, ignit
ion may be delayed because the

A.cylinder compression pressure may not be high enough

B.cylinder compression temperature may be too high

C.fuel oil injection pressure may not be high enough

D.scavenge and purge process is incomplete

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第2题
In an ordinary diesel engine the fuel injection begins _____.

A.after TDC

B.before TDC

C.after BDC

D.before BDC

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第3题
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should _____
.

A.filter to remove the fuel oil

B.use the settler to remove the fuel oil

C.remove the fuel oil by centrifuging

D.drain and then renew the lube oil supply

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第4题
In purification, there is no fuel oil in the clean oil outlet.It could be caused by _____. I.too high temperature of the dirty fuel oil; II. too low temperature of the dirty fuel oil; III. Clogged fil

A.I

B.I.II.III

C.II.III

D.II

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第5题
The safe rate of bunkering heavy fuel oil is directly related to the _____.A.type of fuel

The safe rate of bunkering heavy fuel oil is directly related to the _____.

A.type of fuel transfer pump aboard

B.temperature of the fuel oil being received

C.size of the fuel storage tanks ashore

D.distance from the fuel oil storage tanks ashore

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第6题
It is very necessary that each cylinder () before the charged air is compressed.

A. is scavenged

B. is atomized with fuel oil

C. be scavenged

D. be atomized with fuel oil

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第7题
When lighting off an auxiliary boiler, which of the problems listed could cause the burner
s to sputter? .

A.cold fuel oil

B.low fuel oil pressure

C.low atomizing steam pressure

D.water in the fuel oil

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第8题
The viscosity regulator controls _____ in order to provide oil at the correct viscosity fo
r combustion.

A.the engines speed

B.the engines load

C.the fuel oil temperature

D.the fuel oil flow

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第9题
Fuel pump index is _____.A.the viscosity indexB.the fuel oil contentsC.the starting speedD

Fuel pump index is _____.

A.the viscosity index

B.the fuel oil contents

C.the starting speed

D.the reading at the rack

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