Arc and Gas Welding MCQ with Answers

Arc and Gas Welding MCQ with Answers

6) What is the electrode angle with weld line?

Answer is:

70 Degree to 80 Degree

7) Which is protecting the eyes from harmful rays of the electric arc welding?

Answer is:

Welding helmet screen

8) Which solution is used for acetylene gas connection leakage test?

Answer is:

Soap water

9) What is the colour of hose carrying oxygen?

Answer is:

Black

What is the colour of hose carrying oxygen?

10) What is the colour of hose carrying acetylene?

Answer is:

Maroon

Explanation:

Maroon is the colour painted on the acetylene gas cylinders.

What is the colour of hose carrying acetylene?