1000+ Manufacturing, Industrial & Maintenance Engineering Quiz Questions - 1

Question: 1

In arc welding, arc is created between the electrode and work by

(A) contact resistance

(B) electrical energy

(C) flow of current

(D) voltage

Ans: B

electrical energy

Question: 2

In resistance welding, the pressure is released

(A) after the weld cools

(B) after completion of current

(C) the pressure is never applied

(D) just at the time of passing the current

Ans: A

after the weld cools

Question: 3

TIG welding is best suited for welding

(A) aluminium

(B) silver

(C) carbon steel

(D) stainless steel

(E) mild steel

Ans: A

aluminium

Question: 4

The strength of a property welded joint as compared to the base metal would be

(A) unpredictable

(B) same

(C) less

(D) more

Ans: D

more

Question: 5

In gas welding the combustion takes place by mixing oxygen with

(A) fuel gas

(B) hydrogen

(C) CO

(D) mixture of several gases

Ans: A

fuel gas

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