Why is it important for fuel oil tanks not to be topped off

题目
单选题
Why is it important for fuel oil tanks not to be topped off at the inner bottom level when loading on a cold day?()
A

Increased viscosity of the product needs higher loading pressure, which increases the chances of a spill

B

Air pockets may cause the fuel to bubble out of the ullage hole

C

The temperature rise of the fuel will cause an overflow

D

Fueling valve may become stuck closed and cause the fuel oil to spill before the valve can be opened

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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:

A ship which is required to carry an Oil Record Book must log in the book ______.

A.discharge of ballast or cleaning water from fuel tanks

B.sounding levels of all fuel tanks on a daily basis

C.the grade and specific gravity of all fuel oil carried

D.fuel consumption rates on a weekly basis


正确答案:A

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
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5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6题:

An oil tanker with dedicated clean ballast tanks shall have adequate tank capacity dedicated solely to the carriage of ______ as defined.

A.clean ballast

B.crude oil

C.fresh water

D.fuel oil


正确答案:A

第7题:

What is NOT required to be contained in the oil transfer procedures ________.

A.A line diagram of the vessel's oil transfer piping

B.The number of persons on duty during oil transfer operations

C.Any special procedures for topping off tanks

D.The location and capacity of all fuel and cargo tanks on the vessel


正确答案:D

第8题:

As its temperature rises, the volume of fuel oil in the tanks will ______.

A.remain the same

B.increase

C.decrease

D.can’t be comfirmed


正确答案:B

第9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10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

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