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

Author Question: To avoid the creation of oxides in the refrigeration lines of mini-split systems, the lines are ... (Read 153 times)

mpobi80

  • Hero Member
  • *****
  • Posts: 519
To avoid the creation of oxides in the refrigeration lines of mini-split systems, the lines are assembled:
 
  A) Using Reflok fittings.
  B) Using standard flare fittings.
  C) By brazing the connections while flowing nitrogen through the lines.
  D) Using heavy-walled flare fittings.

Question 2

What causes the little pops and ticking that can be heard in some furnaces before the blower comes on?
 
  A) Small quantities of water in the gas
  B) Mechanical rattles from an unbalanced indoor blower
  C) Small concentrated pockets of gas that explode
  D) Expansion of the heat exchanger as it heats up



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

recede

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

D

Answer to Question 2

D





 

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

For a complete list of videos, visit our video library