[单选题] Broken piston rings manifest themselves during the scavenge port inspection by_____.

1、[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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2、[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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3、[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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4、[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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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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