When line 14 is reached， how many objects are eligible for the garbage collector？（）https://assets.asklib.com/images/image2/2018080114133890435.jpg

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• Given： https://assets.asklib.com/images/image2/2018080111083576274.png When line 14 is reached， how many objects are eligible for the garbage collector？（）

  A . 0 B . 1 C . 2 D . 3 E . 4

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• Given： https://assets.asklib.com/images/image2/2018080113462768124.png When line 15 is reached， how many objects are eligible for the garbage collector？（）

  A . 0 B . 1 C . 2 D . 3 E . 4

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• The dew point of air is reached when the wet bulb temperature is （）.

  A . Twice the dry bulb temperature B . 10℃ above the dry bulb temperature C . 5℃ above the dry bulb temperature D . Equal to the dry bulb temperature

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• When a line is subject to wear where it passes through a mooring chock，it should be（）.

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• A long pole with a hook at one end，used to reach for lines，is known as a（）.

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• When lowering lifeboats in heavy seas，a good practice is to rig frapping lines（）.

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• The dew point is reached when the（）.

  A . temperature of the air equals the temperature of the seawater B . atmospheric pressure is 14.7 lbs. per square inch C . relative humidity reaches 50% D . air becomes saturated with water vapor

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• When towing in an open seaway，it is important to use a towing line（）.

  A . made only of wire rope，due to possible weather conditions B . that will have the tow on a crest while your vessel is in a trough C . that will have the tow on a crest while your vessel is on a crest D . with little dip to gain maximum control of the tow

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• Which mooring line is likely to undergo the most strain when docking a ship under normal conditions?（）

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• When voltage and current developed in an AC circuit reach their peak values at the same time, the power factor is （）

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• 12. void start（） {  13. A a = new A（）；  14. B b = new B（）；  15. a.s（b）；  16. b = null；  17. a = null；  18. System.out.println（“start completed”）； 19. }  When is the B object， created in line 14， eligible for garbage collection？（）  

  A .  After line 16. B .  After line 17. C .  After line 18 （when the methods ends）. D .  There is no way to be absolutely certain. E .  The object is NOT eligible for garbage collection.

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• When liquid reaches the compressor of a refrigeration system through the suction line, the condition is called （）.

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• 10. public Object m（） { 11. Object o = new Float（3.14F）； 12. Object [] oa = new Object[1]； 13. oa[0] = o； 14. o = null； 15. return oa[0]； 16. } When is the Float object， created in line 11， eligible for garbage collection？（）  

  A .  Just after line 13. B .  Just after line 14. C .  Never in this method. D .  Just after line 15 （that is， as the method returns）.

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• 1. public class X （  2. public object m （）  {  3. object o = new float （3.14F）；  4. object [] oa = new object [1]；  5. oa[0]= o；  6. o = null；  7. return oa[0]；  8. }  9. }   When is the float object created in line 3， eligible for garbage collection？（）  

  A .  Just after line 5 B .  Just after line 6 C .  Just after line 7 （that is， as the method returns） D .  Never in this method.

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• Given: https://assets.asklib.com/images/image2/2018080116163333313.jpg When line 15 is reached, how many objects are eligible for the garbage collector?（）

  A . 0 B . 1 C . 2 D . 3 E . 4 F . 5

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• Given： https://assets.asklib.com/images/image2/2018080115114591100.png When line 11 is reached， how many objects are eligible for garbage collection？（）

  A . 0 B . 1 C . 2 D . 3

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• public class X {  public object m （） {   object o = new float （3.14F）；   object oa = new object [1]；   oa[0]= o；   o = null；   return oa[0]；   }   }   When is the float object created in line 3， eligible for garbage collection？（）

  A .  Just after line 5 B .  Just after line 6 C .  Just after line 7 （that is， as the method returns） D .  Never in this method.

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