1000+ Electrical Engineering Multiple choice Questions and Answers Pdf - 1

Question: 1

The danger of shock is maximum

(A) while inserting electrode into the holder

(B) during arcing

(C) after arcing

(D) before welding

Question: 2

Grey iron is usually welded by

(A) Arc welding

(B) MIG welding

(C) TIG welding

(D) Gas welding

Question: 3

During spot welding the current flows for

(A) few microseconds

(B) few milliseconds

(C) fraction of a second to several seconds

(D) fraction of a minute to several minutes

Question: 4

In argon arc welding argon is used as a

(A) shield to protect the work from oxidation

(B) agent for heat transfer

(C) source of heat

(D) flux

Question: 5

Spot welding is used for

(A) thick sections

(B) costings only

(C) rough and irregular surfaces

(D) thin metal sheets