In which of the listed refrigeration system components does superheating of the refrigerant take place?（）

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• In the two stage flash distilling plant, which of the pumps listed is vented to the shell of the second stage in order to remove vapor from the pump suction?（）

  A . Condenser circulating water pump B . Feed-water heater drain pump C . Distillate pump D . Air ejector condenser drain pum

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• Which of the circumstances listed is an exception to the garbage discharge requirements in Annex V to MARPOL 73/78?（）

  A . The garbage to be discharged will sink B . Garbage accumulation onboard has exceeded storage space C . A person falls overboard, and a plastic ice chest is thrown for flotation D . The destination port or terminal cannot receive garbage

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• Which two statements are true about the use of the procedures listed in the vsysaux_occupants.move_procedure column?（）

  A . The procedure may be used for some components to relocate component data to the SYSAUX tablespace from its current tablespace. B . The procedure may be used for some components to relocate component data from the SYSAUX tablespace to another tablespace. C . All the components may be moved into SYSAUX tablespace. D . All the components may be moved from the SYSAUX tablespace.

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• Some lights used as aids to marine navigation have a red sector to indicate a danger area. The limits of a colored sector of a light are listed in the Light List in which of the following manners?（）

  A . Geographical positions outlining the area of the sector B . True bearings as observed from the ship toward the light C . An outline of the area of the sector D . True bearings as observed from the light toward the shi

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• Using the LIST command in Recovery Manager (RMAN), which two pieces of information from the RMAN repository can be listed?（）

  A . Stored scripts in the recovery catalog B . Backups that can be deleted from disk C . Backup sets and images copies that are obsolete D . Backups that do not have the AVAILABLE status in the RMAN repository

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• In which of the following lists of APS Action Requests is the priority correctly arranged from lowest tohighest？（）

  A . Wait-to-Restore，Forced Switch，Manual Switch，Lockout of Protection B . Manual Switch，Wait-to-Restore，Lockout of Protection，Forced Switch C . Lockout of Protection，Forced Switch， Manual Switch，Wait-to-Restore D . Lockout of Protection，Manual Switch， Forced Switch，Wait-to-Restore E . Wait-to-Restore，Manual Switch，Forced Switch，Lockout of Protection F . Wait-to-Restore，Manual Switch，Lockout of Protection，Forced Switch

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• Which of the listed classes of fire would most likely occur in the engine room of a vessel?（）

  A . Classes A and B B . Classes B and C C . Classes C and D D . Classes A and D

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• Using the LIST command in Recovery Manager （RMAN）， which two pieces of information from the RMAN repository can be listed？ （）

  A . backups that can be deleted B . stored scripts in the recovery catalog C . backup sets and image copies that are obsolete D . only the most recent backup sets or image copies E . backups that do not have the AVAILABLE status in RMAN repository

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• Which of the valves listed should be used either in the fully opened or the fully closed position?（）

  A . A gate valve B . A globe valve C . Any check valve D . Any needle valve

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• Using the LIST command in Recovery Manager (RMAN), which two pieces of information in the RMANrepository can be listed?（） (Choose two.)

  A . stored scripts in the recovery catalog. B . backups that can be deleted from disk. C . backup sets and image copies are obsolete. D . backups that do not have the AVAILABLE status in the RMAN repository.

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• Using the LIST command in Recovery Manager （RMAN），which two pieces of information in the RMAN repository can be listed？（） 

  A .  stored scripts in the recovery catalog B .  backups that can be deleted from disk C .  backup sets and image copies are obsolete D .  backups that do not have the AVAILABLE status in the RMAN repository

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• Which of the listed factors will indicate the most about the ability of a fuel to ignite in a diesel engine?（）

  A . Viscosity B . Sulfur content C . Pour point D . Cetane number

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• In order to accurately measure very low pressures, which of the instruments listed should be used?（）

  A . Compound gage B . Bonrdon tube C . Manometer D . Deadweight gage

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• Which of the equipment listed is most effective in processing bilge slops for overboard discharge?（）

  A . 100PPM oily water separator B . Assembling the lube oil purifier as a separator and aligning bilge overboard C . A 15PPM oily water separator D . A magnetic duplex strainer

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• In which of the areas listed would you expect to find the highest salt concentration in a flash evaporator?（）

  A . Distiller air ejector cooling medium B . Saltwater heater discharge C . First-stage internal feed box D . Second-stage internal feed box

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• In which of the listed hydraulic systems will the installation of an oil cooler be necessary?（）

  A . Constant tension mooring winch system B . Hatch cover system C . Watertight door system D . Internal combustion engine hydraulic starter system

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• james needs to sort a list of values in a list of values in fieldA, and when the form in saved ,he wants to sort the list before it is saved. Which one of the following formulas would accomplish this?（）

  A .  @sort  B .  @sort(@thisvalue)  C .  @sortAscending(fieldA)       D .  @sort(“ascesding”;”fieldA”)

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• Which of the combustion parameters listed is used in a diesel engine, but NOT related to the injection system?（）

  A . Atomization B . Metering C . Effective stroke D . Penetratio

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• Which of the problems listed could be indicated if a sight glass in the refrigerant liquid line is full of bubbles?（）

  A . Proper refrigerant charge B . Faulty expansion valve C . Insufficient refrigerant D . Solenoid valve stuck ope

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• Using the LIST command in Recovery Manager (RMAN), which two pieces of information in the RMANrepository can be listed?（）

  A . stored scripts in the recovery catalog B . backups that can be deleted from disk C . backup sets and image copies are obsolete D . backups that do not have the AVAILABLE status in the RMAN repository RMAN

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• Which of the following options lists the steps in PPP session establishment in the correct order?（）

  A . Optional authentication phase, link establishment phase, network layer protocol phase. B . Network layer protocol phase, link establishment phase, optional authentication phase. C . Network layer protocol phase, optional authentication phase, link establishment phase. D . Link establishment phase, network layer protocol phase, optional authentication phase. E . Link establishment phase, optional authentication phase, network layer protocol phase. F . Optional authentication phase, network layer protocol phase, link establishment phase.

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• Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）

  A . Exhaust and scavenging B . Scavenging and compression C . Ignition and expansion D . Exhaust and compressio

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• Which of the following is the correct command to list the filesystems in datavg?（）

  A . lsvg -p datavg B . lsvg -l datavg C . lsvg -L datavg D . lsvg -o datavg

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• Which of the circumstances listed is an exception to the garbage discharge requirements in Annex V to MARPOL 73/78？

  A.The garbage to be discharged will sink B.Garbage accumulation onboard has exceeded storage space C.A person falls overboard, and a plastic ice chest is thrown for flotation D.The destination port or terminal cannot receive garbage

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