TNMAWS Mechanical Engineering Previous Year Question Papers Pdf - 2

Question: 6

Electronic components are often joined by

(A) Spot welding

(B) Brazing

(C) Soldering

(D) Adhesive

Question: 7

For die casting, the material to be cast may be

(A) Aluminium alloy

(B) Bronze

(C) Stainless steel

(D) Mild steel

Question: 8

In a sine bar, the standard length is measured from

(A) Between the centers of two buttons

(B) Between inner circumference of two buttons

(C) Between outer circumference of two buttons

(D) Edge to edge

Question: 9

Preheating is usually done while welding

(A) Copper

(B) Cast iron

(C) Thick sheets of mild steel

(D) Thin sheets of mild steel

Question: 10

Which one of the following materials will have lowest cutting speed?

(A) Aluminium

(B) Brass

(C) High carbon steel

(D) Mild steel