In _________ welding heavy current (50,000A) is passed through the joint which gets melt and welding is under external pressure.
(a) Arc welding
(b) Gas welding
(c) Forge welding
(d) Spot welding
I got this question in quiz.
My question is from Welded Joints topic in portion Computer Aided Drawing, Riveted & Welded Joints of Engineering Drawing