The heat identified by only a change in temperature is known as （）.

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• The vapors given off by heated fuel oil are flammable, explosive, and （）

  A . lighter than air B . heavier than air C . odorless D . nontoxic

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• The size of ball and roller bearings can be identified by the （）.

  A . rolling member size B . inner race cone width C . manufacturers numerical code D . outer ring width

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• Each cylinder is closed at the top by a （）, made of a special heat-resistant steel.

  A . cylinder liner B . coupling flange C . cylinder cover D . piston crow

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• Aids to navigation marking the intracoastal waterway can be identified by（）.

  A . the letters ICW after the aid's number or letter B . yellow stripes，squares，or triangles marked on them C . white retroreflective material D . the light characteristic and color for lighted aid

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• The interior of some diesel engine saltwater heat exchangers are protected from corrosion by the use of（）

  A . aluminum plates B . lead cathodes C . copper baffle plates D . sacrificial zinc

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• The vapors given off by heated fuel oil are heavier than air and are（）.

  A . odorless B . explosive C . nontoxic D . visible

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• （） the cylinder walls, the heat passes through them by conduction.

  A . When receiving by B . When received by C . In order to receiving D . In order to receive

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• Heat for igniting the fuel oil in the cylinder of a diesel engine is generated by the （）

  A . electronic ignition system B . compression of air by the piston C . friction in the fuel injector D . fuel oil bearing system

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• The maximum pressure developed by a waste heat boiler is determined by the main engine exhaust （）.

  A . gas composition B . gas temperature C . pressure D . timing

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• By using the transaction identifier provided by （） for a particular row change， you can use the Flashback Transaction Query to see the operation performed by the transaction. 

  A . Flashback Table B . Flashback Database C . Flashback Versions Query D . the RMAN REPORT command E . the DBA_PENDING_TRANSACTIONS view

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• The rate of heat transfer from a hot region to a cold region is affected most by the （）.

  A . size of the heat sink B . temperature difference between the regions C . size of the heat source D . total heat of the system

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• Which of the lists forms of heat transfer, if any, is illustrated by the flow of combustion gases through a boiler?（）

  A . Natural convection only B . Forced convection only C . Both natural convection and forced convection D . None

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• The amount of heat released by steam when it changes to water at the same temperature is called（）.

  A . latent heat of condensation B . latent heat of vaporization C . latent heat of saturation D . sensible heat of condensatio

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• By using the transaction identifier provided by（）for a particular row change， you can use the Flashback Transaction Query to see the operation performed by the transaction. 

  A .  Flashback Table B .  Flashback Database C .  Flashback Version Query D .  The RMAN REPORT command E .  The DBA_PENDING_TRANSACTIONS view

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• What does the value returned by the method getID（） found in class java.awt.AWTEvent uniquely identify？（）  

  A . The particular event instance. B . The source of the event. C . The set of events that were triggered by the same action. D . The type of event. E . The type of component from which the event originated.

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• The movement of heat within a fluid, caused by the application of thermal energy, is called （）.

  A . radiation B . conduction C . convection D . condo-radiatio

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• The spreading of fire as a result of heat being carried through a vessels ventilation system, is an example of heat transfer by （）.

  A . conduction B . convection C . radiation D . windage

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• The Earth’s irregular heating is caused by （）.

  A . the time of day B . the seasons C . geography D . All of the above

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• The rate of heat transfer in a water-tube auxiliary boiler can be increased by （）.

  A . operating the boiler at less than normal water level B . installing fins on the firesides of water-tubes C . increasing the amount of excess air to the burners D . treating the boiler water with chemical oxygen scavenger

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• By using the transaction identifier provided by （） for a particular row change， you can use theFlashback Transaction Query to see the operation performed by the transaction. 

  A . Flashback Table B . Flashback Database C . Flashback Versions Query D . the RMAN REPORT command E . the DBA_PENDING_TRANSACTIONS view

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• Readers may discover the general-to-specific pattern by identifying

  A、the main subject for discussion; B、the general statement that describes the subject; C、the sub-points that explain the subject in detail. D、the main structure of the topic sentence.

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• The energy released by the chemical reaction is ( ) heat.

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• In winter, some people energy by lowing the heat at night.

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• The decision-making process begins by identifying decision criteria.

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