[单选题] According to Annex IV of comminuted and disinfected sewage using an approved system can be discharged when the ship is more than away from the nearest land.

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]At an unsheltered anchorage the chief engineer officer shall consult with the master whether or not to maintain an underway watch“An underway watch” means______.

• A、a watch which is kept with lower standard
• B、 a watch which is kept when the ship isnt sailing
• C、 a watch which is kept when the ship is sailing
• D、 a watch which is kept when the ship is in a restricted visibility area

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4、[单选题]In deciding to detain a ship or not, the PSCO would better not_______ .

• A、make his decision independently
• B、 request the owner’ s representative to provide proposals
• C、 cooperate with the flag State Administration’ s representatives
• D、 consult the organization responsible for issuing the relevant certificates

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5、[单选题]The Company should ensure that the master is fully _____ with the Companys SMS.

• A、familiar
• B、 understand
• C、 conversation
• D、 confused

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