[单选题] Always ensure that the turning gear is____, even at the quay, the wake from other ships may turn the propeller and thus the engine.

1、[单选题]According to Annex I of MARPOL 73/78, oily waste from cargo tanks of oil tankers can be discharged when the ship is more than_________ away from the nearest land.

• A、50 nautical miles
• B、 30 nautical miles
• C、 15 nautical miles
• D、 12 nautical miles

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2、[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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3、[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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4、[单选题]An oil in water monitor is required in order to measure _____.

• A、the oil content in water
• B、 the water content in fuel oil
• C、 the water level in bilge well
• D、 the oil level in bilge well

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5、[单选题]To proceed to the assistance of a ship in distress is .

• A、an obligation for masters of passing by ships
• B、 optional for masters of passing by ships when the weather is fine
• C、 prohibited by the Convention SOLAS, 1974, as amended
• D、 prohibited by the convention STCW 78/95

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