The depth of fuel oil in a tank is normally measured through

题目
单选题
The depth of fuel oil in a tank is normally measured through the()
A

vent line

B

overflow line

C

feed line

D

sounding tube

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:

单选题
In a commonly used fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to () and heated.
A

a service tank

B

a settling tank

C

an expansion tank

D

a double bottom tank


正确答案: D
解析: 暂无解析

第2题:

单选题
In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to () and heated.
A

a service tank

B

a collecting tank

C

a sump

D

a settling tank


正确答案: D
解析: 暂无解析

第3题:

The main propulsion diesel continues running after you try to shut down. You should now attempt to .

A.stop the fuel oil booster pump

B.engage the jacking gear

C.secure the lube oil pump

D.shut off the fuel at the settling tank


正确答案:A

第4题:

单选题
Mist detectors used on large low-speed main propulsion diesel engines monitor and check for the presence of ().
A

fuel oil vapor at the sludge tank vent

B

unburned fuel vapors in the scavenge air receiver

C

lube oil vapors in the crank case

D

lube oil vapors in the engine room


正确答案: C
解析: 暂无解析

第5题:

单选题
Fuel oil tank vents are fitted with a screen which will stop().
A

oil from flowing out of the tank vent

B

air from entering the tank vent

C

vapors from leaving the tank vent

D

flames on deck from entering the tank vent


正确答案: A
解析: 暂无解析

第6题:

单选题
If the overflow tank high-level alarm sounds while the fuel oil tanks are being topped off, the engineer should ().
A

close the static leg filling valve

B

close the overflow tank falling valve

C

reduce the fuel oil pumping rate

D

stop the fuel oil pumping operation


正确答案: C
解析: 暂无解析

第7题:

单选题
A dirty fuel oil filter element can be detected by ()
A

Visual inspection of the element

B

the pressure drop cross the filter

C

high fuel oil tank temperature

D

increase flow rate from the filter


正确答案: C
解析: 暂无解析

第8题:

Indirect cooling of fuel injector nozzle holders for diesel engines is accomplished primarily by

A.heat conduction into the injected fuel oil

B.heat conduction into the water jacket wall

C.water circulation through passages in the holder

D.fuel oil circulation through passages m the holder


正确答案:B

第9题:

单选题
Your vessel has run aground and upon taking fuel oil tank soundings, you find that a fuel tank level has increasedYou therefore should suspect ().
A

condensation in the fuel tank

B

a crack in the hull portion of the fuel tank

C

a load of bad fuel

D

contamination from the saltwater flushing system


正确答案: D
解析: 暂无解析

第10题:

单选题
To receive oil residues from the purification of fuel and lubricating oils in the machinery spaces, what kind of tank(s) should be provided on board?()
A

bilge tank

B

sludge tank

C

overflow tank

D

oil collecting tank


正确答案: B
解析: 暂无解析

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