TNMAWS Mechanical Engineering Previous Year Question Papers Pdf - 1

Question: 1

Green sand moulds are

(A) Green in colour

(B) Made out of green coloured sand

(C) Made from damp moulding sand

(D) Green in colour

Question: 2

Surveying tapes are generally made of

(A) Constantan

(B) Muntz metal

(C) Nichrome

(D) Invar

Question: 3

High carbon steels contains carbon

(A) Between 0.05 – 0.6%

(B) More than 1.7%

(C) Between 1.3 – 1.7%

(D) Between 0.6 – 1.3%

Question: 4

Which bond is commonly used in grinding wheel

(A) Resinoid bond

(B) Shellac bond

(C) Silicate bond

(D) Vitrified bond

Question: 5

Carbon dioxide is

(A) Combustible gas

(B) Neutral gas

(C) Ionic gas

(D) Inactive gas