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Author Question: How does a pressure-time-temperature defrost system measure frost? A) The system has a reversing ... (Read 178 times)

acc299

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How does a pressure-time-temperature defrost system measure frost?
 
  A) The system has a reversing valve that controls the defrost thermostat.
  B) The system has a differential airflow pressure switch.
  C) The system has a timing circuit that controls the defrost thermostat.
  D) The system has a timer control triggered by pressure drop.

Question 2

A cooling tower with its fan located in the air stream entering the tower, blowing the air through the tower, is:
 
  A) A forced-draft cooling tower. B) A hybrid-draft cooling tower.
  C) An induced-draft cooling tower. D) A natural-draft cooling tower.



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dpost18

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Answer to Question 1

B

Answer to Question 2

A




acc299

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Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)


Zebsrer

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Reply 3 on: Yesterday
Excellent

 

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