[单选题] There is a support ring between the cylinder block and collar of the cylinder liner, thus carrying both the liner and the cylinder coverIt also passes to the cooling bores and to the cover.

1、[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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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]The responsibilities of the engineer officer in charge of the watch do not include________ .

• A、to ensure the main propulsion plant are kept under constant surveillance
• B、 to ensure the auxiliary systems are kept under constant surveillance
• C、 to inspect the steering gear spaces at suitable intervals
• D、 to inspect and overhaul the equipments in his charge

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4、[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.

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

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5、[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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