单选题Where tanks are arranged for either oil or ballast （） must be fitted in the pipe so that only the ballast main or the oil transfer main connected to the tank.A a sea water chestB a change-over chestC a buffer tankD a three-way valve

Which of the following is NOT on the list items to be recorded in Oil Record Book Part I (machinery space operation)?

A.accidental discharge of oil

B.disposal of oil residues

C.quantity of water produced by F.W.G

D.discharge of dirty ballast or cleaning water from fuel oil tanks

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

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

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

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

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

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 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

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

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