Multiple choice

Which of the following is not true in case of high pressure gas welding?

  1. The work surface is melted and joining is done by pressure.

  2. Gas is stored in cylinder at high pressure.

  3. Equal-pressure type welding torch is used.

  4. Gas pressure is regulated as per thickness of the work.

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

High pressure gas welding is a fusion welding process where the metal is melted by a gas flame. It does not rely on pressure to join the metals, unlike forge welding.