题目内容

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
Chemicals
D. Crude oil washing

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If you are bunkering and you close off one tank in the line of tanks being filled,the rate

A. increase
B. decrease
C. stop
D. remain constant

Butadiene,inhibited,is labeled as a ______.

A. Combustible liquid
B. Flammable gas
C. Flammable liquid
D. Flammable solid

According to the Chemical Data Guide,which reactive group(s)is/are not compatible with the

A. Nitric acid
B. Amides
C. Alcohols,glycols
D. Phenols,cresols

Before discharge of cargo tank ballast is undertaken,______.

A. the deck isolating valve is open
B. flue gas isolating valve
C. blower suction valve
D. blower discharge valve

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