After changing out the fuel filters the diesel engine fails to restart, the most probable cause for this condition is a/an（）...

第1题

[单选题] After a seaman is discharged，at the end of the voyage，the final payment of wages due must be made at the earlier of within 24 hours after the cargo has been discharged or（）.

A、within 4 days after the seaman's discharge B、prior to the vessel's departure on the next voyage C、prior to loading any out-bound cargo D、prior to any change of Master

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第2题

[多选题] To enable faster incremental backups, you enabled block change tracking for the database.Which two statements are true about the block change tracking file?（）

A、Multiple change tracking files can be created for a database. B、The change tracking file must be created after the first level 0 backup. C、RMAN does not support backup and recovery of the change tracking file. D、The database clears the change tracking file and starts tracking changes again, after whole database restore and recovery operations.

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第3题

[多选题] To enable faster incremental backups, you enabled block change tracking for the database.Which two statements are true about the block change tracking file? （）(Choose two.)

A、Multiple change tracking files can be created for a database. B、The change tracking file must be created after the first level 0 backup. C、RMAN does not support backup and recovery of the change tracking file. D、The database clears the change tracking file and starts tracking changes again, after whole database restore and recovery operations.

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第4题

[单选题] After the ship is out of the harbour and in “Full Speed”, well change （）.

A、to fuel oil instead of diesel oil B、for fuel oil instead of diesel oil C、to diesel oil into fuel oil D、for diesel oil into fuel oil

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第5题

[单选题] Preventive maintenance （）.

A、should not be carried out during the watches B、can only be carried out in port C、is a kind of maintenances carried out prior to the occurrence D、is a kind of maintenances carried out after the occurrence

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第6题

[单选题] class Work implements Runnable { Thread other； Work（Thread other） { this.other = other； } public void run（） { try { other.join（）； } catch （Exception e） { } System.out.print（"after join "）； } } class Launch { public static void main（String [] args） { new Thread（new Work（Thread.currentThread（）））.start（）； System.out.print（"after start "）； } } 结果为：（）

A、after join B、after start C、after join after start D、after start after join

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第7题

[单选题] The difference between the initial trim and the trim after loading is known as（）.

A、trim B、change of trim C、final trim D、change of draft

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第8题

[单选题] Your vessel is damaged，listing to port and on occasion flopping to the same angle to starboard. It has a long，slow，sluggish roll around the angle of list. There is excessive trim by the stern with little freeboard aft. What action should you take?（）.

A、Jettison any off-center topside weights to lower GM and correct the list B、Pump out any slack after double-bottom tanks to reduce free surface and increase freeboard aft C、Pump out the after peak and fill the forepeak to change the trim D、Press up any slack double-bottom tanks forward of the tipping center，then fill the forepeak if empty

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第9题

[单选题] After taking on fuel oil, the hoses should be disconnected and （）.

A、draped over the fantail to dry out B、drained over the side and washed out C、drained into the bilges and washed out D、drained into buckets or fuel tanks

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After changing out the fuel filters the diesel engine fails to restart, the most probable cause for this condition is a/an（）.

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