Welding Interview Questions and Answers Pdf - 2

Question: 6

Higher porosity of a welded joint results from the use of

(A) High welding current

(B) Low welding current

(C) Wrong electrodes

(D) Poor base metal quality

Question: 7

Which of the following is the most suitable for joining two stainless steel foils of 0.1 mm thickness?

(A) Gas welding

(B) MIG welding

(C) TIG welding

(D) Electroslag welding

Question: 8

Welding of stainless steel poses problem because of the formation of

(A) Cracks

(B) Chromium carbide

(C) Rust

(D) Oxide film

Question: 9

Which of the following does not case undercutting?

(A) Arc too long

(B) Low amperage

(C) Electrode held at 90° angle

(D) High amperage

Question: 10

Temperature generated in arc welding is of the order of _____ °C.

(A) 1500

(B) 2500

(C) 3500

(D) 5500