This topic contains a solution. Click here to go to the answer

Author Question: If the low side test pressure is not know, the maximum pressure that should be used for leak testing ... (Read 55 times)

ec501234

  • Hero Member
  • *****
  • Posts: 573
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

CharlieArnold

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

A

Answer to Question 2

A





 

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

For a complete list of videos, visit our video library