If the low side test pressure is not know, the maximum pressure ...

[ec501234]

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.

[CharlieArnold]

Answer to Question 1

A

Answer to Question 2

A

[ec501234]

TY

[CharlieArnold]

You're welcome