海船船员考试

单选题When fuel oil is accidentally missed with lube oil which of the following processes can be used to separate them?（） Ⅰ.filtering Ⅱ.settlingA Ⅰ onlyB Ⅱ onlyC either Ⅰ or ⅡD neither Ⅰ or Ⅱ

题目
单选题
When fuel oil is accidentally missed with lube oil which of the following processes can be used to separate them?（） Ⅰ.filtering Ⅱ.settling
A

Ⅰ only

B

Ⅱ only

C

either Ⅰ or Ⅱ

D

neither Ⅰ or Ⅱ

参考答案和解析
正确答案： C
解析： 暂无解析
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相似问题和答案

第1题：

When an auxiliary boiler is panting and emitting(发出) black smoke, you should______.

A.increase the fuel oil temperature

B.decrease the fuel oil temperature

C.decrease the fuel oil supply pressure

D.increase the air supply


正确答案：D

第2题：

单选题
When lighting off an auxiliary boiler, which of the problems listed could cause the burners to sputter?（）
A

cold fuel oil

B

low fuel oil pressure

C

low atomizing steam pressure

D

water in the fuel oil


正确答案： C
解析： 暂无解析

第3题：

199 During extremely cold weather, while starting an engine,it turns too slowly and fails to start.This problem is most likely theresult of()

A.high fuel oil viscosity

B.low fuel oil temperature

C.high lube oil viscosity

D.energized alow plugs


答案：A

第4题：

单选题
When an auxiliary boiler is panting and emitting black smoke, you should （）.
A

increase the fuel oil temperature

B

decrease the fuel oil temperature

C

decrease the fuel oil supply pressure

D

increase the air supply


正确答案： A
解析： 暂无解析

第5题：

单选题
Which of the listed conditions can cause a diesel engine to use too much lube oil?（）
A

Dirty lube oil filter

B

Too much piston ring wear

C

High lube oil viscosity

D

Low lube oil temperature


正确答案： D
解析： 暂无解析

第6题：

单选题
A decrease in the flash point of diesel engine lube oil indicates the lube oil has become （）.
A

contaminated with sludge

B

contaminated with carbon

C

diluted with fuel oil

D

diluted with water


正确答案： B
解析： 暂无解析

第7题：

单选题
A lube oil filter can be used to remove most contaminants from lube oilA contaminant which will remain in the lube oil after filtering is （）.
A

acid

B

fuel oil

C

sediment

D

water


正确答案： B
解析： 暂无解析

第8题：

If a used lube oil analysis indicates excessive chromate content, this means

A.air filtration is inadequate

B.engine coolant is leaking into the lube oil

C.fuel oil is leaking into the lube oil

D.the piston rings are excessive worn


正确答案：B

第9题：

单选题
Fuel oil contamination of an auxiliary diesel engine lube oil can result in（）
A

an increased flash point

B

higher lube oil pressures

C

an increased viscosity

D

lower lube oil pressures


正确答案： D
解析： 暂无解析

第10题：

单选题
During extremely cold weather, while starting an engine, it turns too slowly and fails to startThis problem is most likely the result of （）
A

high fuel oil viscosity

B

low fuel oil temperature

C

high lube oil viscosity

D

energized glow plugs


正确答案： D
解析： 暂无解析

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