[单选题] The function of synchronous compensating machine is to .

1、[单选题]According to Annex I of MARPOL 73/78, the instantaneous discharging rate of the oily waste from cargo tanks of oil tankers must be lower than .

• A、30 liters per nautical mile
• B、 15 liters per nautical mile
• C、 30 ppm
• D、 15ppm

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2、[单选题]The main purpose of port State control is not to___________.

• A、prevent an unsafe ship proceeding to sea
• B、 prevent a ship threatening the marine environment
• C、 fine the ships
• D、 confirm a safe sailing

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3、[单选题]Which of the following operations aboard a tanker must be recorded in the Oil Record Book _____.

• A、Any internal transfer of oil cargo during a voyage
• B、 The discharge overboard in port or at sea of any bilge water accumulated in machineryspaces
• C、 The loading or unloading of any or all oil cargo
• D、 All of the above

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4、[单选题]The ISPS Code consists of a mandatory section-Part A, which shows .

• A、the detailed security-related requirements
• B、 guidelines to meet security-related requirements
• C、 the detailed security-related requirements and the guidelines to meet them
• D、 how to run a shipping company considering the potential terrorism action

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5、[单选题]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 riser
• C、 ballast and cargo tanks are separated by cofferdams
• D、 all ballast lines, tanks, and pumps are independent of those used for oil

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