[单选题] If there are micro-seized areas on the liner or skirt scratch-over manually with a coarse carbo-rundum stone (grindstone) , moving the grindstone ____ at an angle of 20 to 30 degrees to horizontal.

1、[单选题]According to Annex V of MARPOL 73/78, the dunnage, lining and packing materials whichwill float can be discharged when the ship is more than______away from the nearest land.

• A、3 n mile
• B、 5 n mile
• C、 12 n mile
• D、 25 n mile

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2、[单选题]New adopted regulation of master shall_____when maintaining the security of the ship.

• A、take actions by he company’ s order
• B、 take actions by the ship owner’ s order
• C、 exercise his professional judgment
• D、 exercise his professional judgment but be constrained by the company

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3、[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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4、[单选题]Which of the following is true? .

• A、A company should develop an ISM and implement it
• B、 A company implementing an ISM properly may obtain a DOC
• C、 Once a company obtains its DOC, each vessel of this company will obtain a SMC
• D、 DOC is valid for 60 months unless “major non-conformity” is found

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5、[单选题]The SOLAS Convention is the main international convention .

• A、about marine pollution prevention
• B、 covering safety of life
• C、 about marine
• D、 about ship and port security

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