ARC, TIG, MIG, SMAW Welding Questions and Answers Pdf - 2

Question: 6

The name key hole welding refers to the _____ welding.

(A) Pulsed TIG

(B) Projection

(C) Percussion

(D) Plasma arc

Question: 7

____ arc welding employs consumable electrodes.

(A) Carbon

(B) Submerged

(C) MIG

(D) TIG

Question: 8

Carburising flame is normally used to weld

(A) Hard surfacing materials like stellite

(B) Phosphor bronzes

(C) Stainless steel

(D) Copper alloys

Question: 9

Gases used in the case of tungsten inert gas welding are

(A) Argon and helium

(B) Argon and neon

(C) Carbon dioxide and neon

(D) Neon and helium

Question: 10

Which is the most weldable of all metals?

(A) Aluminium

(B) Brass

(C) Plain carbon steel

(D) Stainless steel