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

相似题目

• Which of the listed effects represents the purpose of heat treating steel?（）

  A . Develop ductility B . Improve machining qualities C . Relieves stresses D . All of the above

  查看最佳答案

• Which of the listed cylinder liner surface conditions indicates proper lubrication?（）

  A . Dull black appearance B . Bright appearance C . Thin layer of lacquer D . Thick oily film

  查看最佳答案

• 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

  查看最佳答案

• Which of the listed statements is correct concerning refrigeration systems?（）

  A . Dehydrators must be used continuously in a refrigeration system B . A 25 ton refrigeration system has the same cooling effect as melting 25 tons of ice in 24 hours C . A thermostatic expansion valve is used to control refrigerated space temperature D . The liquid receiver functions to collect and remove non- condensable gase

  查看最佳答案

• 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

  查看最佳答案

• Which of the listed classes of fire is considered as one involving electrical equipment?（）

  A . Class "A" B . Class "B" C . Class "C" D . Class "D&quot

  查看最佳答案

• Which of the listed refrigeration system components keeps the refrigerant circulating through the system?（）

  A . Expansion valve B . Condenser C . Evaporator D . Compressor

  查看最佳答案

• Which of the listed materials would be considered as a bunting class "C" fire?（）

  A . Fuel oil B . Wood C . Celluloid D . Electrical insulatio

  查看最佳答案

• Which of the processes listed consumes the greatest amount of power while producing the greatest amount of heat?（）

  A . Overcoming sliding friction B . Overcoming rolling friction C . Overcoming fluid friction D . Overcoming oil wedge frictio

  查看最佳答案

• Which command will list ODM class descriptions to provide the format needed to create a new class？（）  

  A . A.odmadd B . B.odmget C . C.odmshow D . D.odmcreate

  查看最佳答案

• Which of the petroleum products listed has the lowest flash point?（）

  A . Hydraulic oil B . Lubricating oil C . Diesel oil D . Refrigeration oil

  查看最佳答案

• Which of the following are characteristics of named access lists?（）

  A . Individual statements in a named access list may be deleted. B . They require a numbered range from 1000 to 1099. C . When created, they must be specified as standard or extended. D . They are created with the ip access-list command. E . The entire access list must be deleted before editing. F . They are applied with the ip name-group command.

  查看最佳答案

• Which of the listed statements is correct concerning the starting of centrifugal pumps?（）

  A . They should always be started with the discharge valve closed B . They should always be started with the discharge valve opened C . A priming pump is always required to flood the impeller suction D . They should always be started with the sealing line valves closed

  查看最佳答案

• Which of the listed burning materials would be described as a class "B" fire?（）

  A . Acetylene B . Lube oil C . Grease D . All of the above

  查看最佳答案

• 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

  查看最佳答案

• Which of the listed bearing types is an example of a solid bearing?（）

  A . Piston wrist pin bushing B . turbine bearing C . Spring bearing D . Diesel engine main bearing

  查看最佳答案

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

  A . Expansion valve B . Evaporator C . Drier D . Receiver

  查看最佳答案

• For which of the listed classes of fire combinations would carbon dioxide be most suitable as the extinguishing agent （）.

  A . Class "A" and class "B" B . Class "B" and class "C" C . Class "A" and class " C" D . Class "C", class "D", and class "E&quot

  查看最佳答案

• If ignited, which of the listed materials would be a class "B" fire?（）

  A . Magnesium B . Paper C . Wood D . Diesel Oil

  查看最佳答案

• 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

  查看最佳答案

• 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

  查看最佳答案

• Which of the devices listed is common to all types of pumps?（）

  A . A power end and fluid end B . A propeller and educator C . A volute and impeller D . A turbine and pisto

  查看最佳答案

• Which of the following answer choices are correct characteristics of named access list?（）

  A . You can delete individual statements in a named access list B . Named access lists require a numbered range from 1000 to 1099. C . Named access lists must be specified as standard or extended. D . You can use the ip access-list command to create named access lists. E . You cannot delete individual statements in a named access list. F . You can use the ip name-group command to apply named access lists.

  查看最佳答案

• Which of the following type of class is the smallest in size？（）

  A．Tutorial B．Lecture C．Seminar D．Field trip

  查看最佳答案