海船船员考试

单选题Proper filtering and straining of fuel oil is important because the （）.A fuel oil pump will over-speed if dirt is not removedB fuel oil transfer pumps cannot tolerate small amounts of dirt in the oilC fuel injectors may be damaged by foreign particles

题目
单选题
Proper filtering and straining of fuel oil is important because the （）.
A

fuel oil pump will over-speed if dirt is not removed

B

fuel oil transfer pumps cannot tolerate small amounts of dirt in the oil

C

fuel injectors may be damaged by foreign particles in the fuel oil

D

dirty fuel will clog the intake air filter

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相似问题和答案

第1题：

The core(核心) item in the Oil Record Book Part I is______, and its main content is______.

A.Item A, BALLAST OR CLEANING OF FUEL OIL TANKS

B.Item B, DISCHARGE OF DIRTY BALLAST OR CLEANING WATER FROM FUEL OIL TANKS REFERRED TO UNDER SECTION(A)

C.Item C, DISPOSAL OF OIL RESIDUES(SLUDGE)

D.Item H, BUNKERING OF FUEL OIL


正确答案：C

第2题：

单选题
When centrifuging heavy fuel oil, an important factor to consider is the （） (1) flow rate (2) viscosity of the fuel oil
A

(1) only is correct

B

(2) only is correct

C

both (1) and (2) are correct

D

neither (1) or (2) are correct


正确答案： C
解析： 暂无解析

第3题：

The core item in the Oil Record Book Part I is ____, and its main content is____.

A.Item A, BALLAST OR CLEANING OF FUEL OIL TANKS

B.Item B, DISCHARGE OF DIRTY BALLAST OR CLEANING WATER FROM FUEL OIL TANKS REFERRED TO UNDER SECTION(A)

C.Item C, DISPOSAL OF OIL RESIDUES(SLUDGE)

D.Item H, BUNKERING OF FUEL OIL


正确答案：C

第4题：

单选题
Which of the followings will affect the spray of fuel oil?（）
A

coke deposits

B

cylinder water temperature

C

asphalt in fuel oil

D

lub oil


正确答案： A
解析： 暂无解析

第5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6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7题：

单选题
The purpose of the safety relief valves installed on an auxiliary boiler is to （）.
A

relieve excess fuel oil pressure during the “off” fire cycle

B

admit water to the dry pipe

C

throttle the forced draft fan output for proper combustion

D

reduce excess steam pressure in the boiler


正确答案： C
解析： 暂无解析

第8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9题：

单选题
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


正确答案： A
解析： 暂无解析

第10题：

单选题
Which of the following machinery space operations is required to be logged in the Oil Record Book?（）
A

Ballasting or cleaning of fuel oil tanks

B

Shifting suction of main fuel pump to reserve fuel oil tank

C

Changing out sprayer plates to adjust for steam demand

D

Daily inspection of engine room bilges


正确答案： A
解析： 暂无解析

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