Sufficient cargo tanks shall be（）prior to each ballast voyag

In no case shall ballast water be carried in cargo tanks，______ on those rare voyages when weather conditions are so severe that，in the opinion of the master，it is necessary to carry additional ballast water in cargo tanks for the safety of the ship.

A.besides

B.in particular

C.incase of

D.except

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

A segregated ballast system is a system where

A.all ballast is processed through the oily water separator

B.ballast is taken on and discharged through a separate main deck

C.ballast and cargo tanks are separated by cofferdams

D.all ballast lines, tanks, and pumps are independent of those used for oil

The capacity of the segregated ballast tanks shall be ______ determined that the ship may operate safely on ballast voyages without recourse to the use of cargo tanks for water ballast except as provided otherwise．

A.Such

B.As

C.So

D.Well

Existing crude oil tankers may，______ being provided with segregated ballast tanks or operating with a cargo tank cleaning procedure using crude oil washing，operate with dedicated clean ballast tanks in accordance with the specified provision of the Regulation．

A.As per

B.In the consequence of

C.In accordance with

D.In lieu of

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

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

In all cases，however，the capacity of segregated ballast tanks shall be ______ such that，in any ballast condition at any part of the voyage，including the conditions consisting of lightweight plus segregated ballast only，the ship's draughts and trim can meet the necessary requirements．

A.At least

B.At most

C.So big as

D.As large as

Valves on steam-smothering lines to cargo tanks shall be set with ______．

A.The master control valve shut and valves to individual cargo tanks shut

B.The master control valve open and valves to individual cargo tanks shut

C.The master control valve shut and valves to individual cargo tanks open

D.All valves open