Author Question: When brazing very small joints or thin metal, the type of flame used in order to prevent the base ... (Read 68 times)

Ebrown

  • Hero Member
  • *****
  • Posts: 567
When brazing very small joints or thin metal, the type of flame used in order to prevent the base metal from
  melting is a(n) _____.
 
  a. carburizing flame
  b. neutral flame
  c. oxidizing flame
  d. non-feathering flame

Question 2

When an oxygen analyzer is used, the maximum percentage of oxygen generally allowed for an acceptable
  welding atmosphere is _____.
 
  a. 1 percent
  b. 4 percent
  c. 9 percent
  d. 14 percent



stano32

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

a

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

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

For a complete list of videos, visit our video library