Gas Metal Arc Welding MCQ with Answers

11) What type of lens shade is to be fixed in helmet while doing MIG welding?

Answer is:

A # 12

12) What is the lens shade fitted in a helmet as per the recommendation of welding code for setting of 150 Amps for MMAW?

Answer is:

A # 11

13) Which type of apron is suitable to protect from heat and radiation during welding?

Answer is:

Leather apron

14) Which angle of pre setting is to compensate distortion on horizontal single V butt joint metal thickness 10 mm and root gap 2mm ?

Answer is:

183 Degree

15) How many types of basic welding positions in GMA welding?

Answer is:

4 types

Explanation:

Welding Positions are basically the different angles of joining metals. Normally, there are four types of welding positions namely horizontal, flat, vertical, and overhead.