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

Author Question: What is the function of a purge unit? A) A purge unit is used to purge the refrigeration oil out ... (Read 99 times)

cherise1989

  • Hero Member
  • *****
  • Posts: 555
What is the function of a purge unit?
 
  A) A purge unit is used to purge the refrigeration oil out of the refrigerant.
  B) A purge unit is used to purge the superheat from the condenser.
  C) A purge unit will purge the air from the top of the condenser.
  D) A purge unit is used to purge the air out of the chilled water loop.

Question 2

Why do air-source heat pumps usually require auxiliary heat?
 
  A) The heat that a heat pump pumps in must first be provided by an auxiliary heat source
  B) Because air-source heat pumps break down a lot
  C) The heat pump compressor will not start in cold weather unless it is first warmed up
  D) Because the heating capacity of the unit drops as house heating requirements increase



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

josephsuarez

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

C

Answer to Question 2

D




cherise1989

  • Member
  • Posts: 555
Reply 2 on: Jul 24, 2018
Excellent


Hdosisshsbshs

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

For a complete list of videos, visit our video library