Crude oil carriers often use （）A、Big shipsB、Huge shipsC、Large container shipsD、Supertankers

The port State control officer or the surveyor authorized by the port State Administration must be aware that ______ may be carried on product carriers．

A.category A substances

B.crude oil

C.certain“oil like”noxious liquid substances

D.category B，C and D substances

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

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 statement is TRUE concerning deep well self-priming pumps ________．

A.When loading oil cargo，it is always loaded via the discharge line through to the pump until the tank is topped off

B.Stripping systems are generally eliminated for the purposes of cargo handling

C.In recent years deep well pumps have become increasingly unpopular in product tankers and medium size crude ships

D.There is no danger of damaging the pump from overheating

______ is a combination carrier．

A.OBO

B.Crude oil tanker

C.Container carrier

D.Bulker

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

Every existing product carriers of 40，000 tons deadweight and above shall be provided with segregated ballast tanks and shall comply with the specified requirements，or，alternatively，operate with ______ in accordance with the convention．

A.crude oil washing

B.dedicated clean ballast tanks

C.cargo tank cleaning system

D.oil record book

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

What is NOT a requirement for the safe and effective use of a crude oil washing system ________．

A.Strip all tanks and remove the bottom residue

B.Use an inert gas system while washing tanks

C.Use portable washing machines to reach areas obscured by structural members in the tanks

D.Debottom the tank used as the source for the tank cleaning machines

You are planning to use a crude oil washing system．What precaution must be taken with the tank as the source for the washing machines ________．

A.It must be debottomed and the level lowered by at least one meter

B.The oil in the source tank must be sampled for compatibility

C.The source tank must have been crude oil washed at least once in the past 150 days

D.The inert gas system must lower the oxygen content to a maximum of 12% oxygen in the tank