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Author Question: If the low side test pressure is not know, the maximum pressure that should be used for leak testing ... (Read 70 times)

ec501234

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on: Jul 26, 2018
If the low side test pressure is not know, the maximum pressure that should be used for leak testing an R-22 refrigeration system with hermetic compressor is:
 
  A) 150 psig. B) 300 psig. C) 200 psig. D) 250 psig.

Question 2

When the contacts on a contactor or motor starter begin to stick:
 
  A) They should be replaced.
  B) They should be reconditioned using a file.
  C) They should be cleaned with contact cleaner.
  D) The voltage to the coil should be increased to strengthen the contactor.


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CharlieArnold

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Reply #1 on: Jul 26, 2018
Answer to Question 1

A

Answer to Question 2

A


ec501234

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Reply #2 on: Jul 26, 2018
TY


CharlieArnold

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Reply #3 on: Jul 26, 2018
You're welcome


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