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

Author Question: Why are time-delay fuses or HVACR-rated circuit breakers used? A) They are required to meet ... (Read 163 times)

Mr3Hunna

  • Hero Member
  • *****
  • Posts: 536
Why are time-delay fuses or HVACR-rated circuit breakers used?
 
  A) They are required to meet current electrical codes.
  B) They are easier to install than standard fuses and circuit breakers.
  C) They are used to prevent nuisance tripping when the compressor starts.
  D) They are cheaper than standard fuses and circuit breakers.

Question 2

When a purge-recovery unit runs to purge the air from the condenser of a low-pressure chiller, most of the refrigerant that is purged with the air is:
 
  A) Released into the air. B) Released with the water.
  C) Recovered and returned to the system. D) Reused as chiller fuel.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ansleighelindsey

  • Sr. Member
  • ****
  • Posts: 364
Answer to Question 1

C

Answer to Question 2

C





 

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

For a complete list of videos, visit our video library