This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The purpose of purging the lines with nitrogen during brazing is to: A) Pressurize the lines for ... (Read 12 times)

misspop

  • Hero Member
  • *****
  • Posts: 540
on: Jul 24, 2018
The purpose of purging the lines with nitrogen during brazing is to:
 
  A) Pressurize the lines for leak testing.
  B) Increase the temperature of the torch flame and decrease brazing time.
  C) Reduce the amount of refrigerant that must be added once the installation is completed.
  D) Prevent the formation of copper oxide inside the lines.

Question 2

The National Electric Code and the National Fuel Gas Code are written by:
 
  A) The International Code Council - ICC.
  B) The National Fire Protection Association - NFPA.
  C) The Underwriters Laboratories - UL.
  D) Canadian Standards Association - CSA.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

momo1250

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

B


misspop

  • Member
  • Posts: 540
Reply 2 on: Jul 24, 2018
:D TYSM

essyface1

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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.

The biological process of nitrogen fixation The biological process of nitrogen fixation
Gunnera growing on nitrogen-poor soil. Gunnera growing on nitrogen-poor soil.
Purpose of the nursing interventions Purpose of the nursing interventions
Special Purpose Checks Special Purpose Checks
Fuel lines are routed along the frame or body and secured with clips. Fuel lines are routed along the frame or body and secured with clips.
Relationship between inorganic and organic nitrogen metabolism Relationship between inorganic and organic nitrogen metabolism
Video: Body plan of euglena Animation

For a complete list of videos, visit our video library