单选题Unless such oil tanker carries crude oil which is not suitable for crude oil washing，the oil tanker shall（）the system in accordance with the requirements of that Regulation.A operateB checkC installD overhaul

In the case of new crude oil tankers，the additional ballast permitted shall be carried in cargo tanks only if such tanks have been ______ before departure from an oil unloading port or terminal.

A.inerted

B.crude oil washed

C.diluted

D.cleaned

Oil slick caused by spillage of oil from tanker ship is ______.

A.a drop of oil

B.the emulsion of oil at sea surface

C.the weathered oil

D.the oil floating on the surface of the sea water

A shipboard oil pollution emergency plan is required of ______.

A.all vessels, regardless of size and commercial application

B.any barge or other ship which is constructed or operated in such a manner that no oil in any form can be carried aboard

C.an oil tanker of 150 gross tons or above, or other ship of 400 gross tons or above

D.an oil tanker of 400 gross tons and above, or other ships of 150 gross tons and above

Unless such oil tanker carries crude oil which is not suitable for crude oil washing，the oil tanker shall ______ the system in accordance with the requirements of that Regulation．

A.operate

B.check

C.install

D.overhaul

An oil tanker operating with dedicated clean ballast tanks shall be equipped with ______，approved by the Administration on the basis of specification recommended by the Organization，to enable supervision of the oil content in ballast water being discharged．

A.An oil content meter

B.An oil checker

C.An analyzer of oil content

D.A mixer of oily water

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

The port State control officer will ensure that ______ is performed by all crude carriers either required to have a crude oil washing system or where the owner or operator chooses to install a crude oil washing system．

A.cargo loading operations

B.cargo unloading operations

C.cargo control operations in the transport

D.crude oil washing

The complete details of a crude oil washing system aboard your vessel，including the operating sequences and procedures，design characteristics，a description of the system，and required personnel will be found in the ______.

A.Oil Transfer Procedures Manual

B.Crude Oil Washing Operations and Equipment Manual

C.Code of Federal Regulations

D.Crude Oil Washing addendum to the Certificate of Inspection

Which operation may cause the pressure in an inert tank to fall below the prescribed limits ________．

A.Loading

B.Discharging

C.Crude oil washing

D.Steaming tanks

Every new crude oil tanker of 20 000 tons deadweight and above shall be fitted with a cargo tank cleaning system using ______．

A.Hot water

B.Cold water

C.Chemicals

D.Crude oil washing