Mechanical Engineering Mcqs

A) brass

B) cast iron

C) aluminium

D) steel

A) improves wear resistance, cutting ability, and toughness

B) refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant

C) Both of the Above

D) None of the Above

A) zinc

B) lead

C) silver

D) glass

A) mild steel

B) German silver

C) lead

D) graphite

A) purification of metal

B) grain refinement

C) working at a lower temperature

D) all of these

A) cast iron

B) vitrified clay

C) asbestos cement

D) concrete

A) ferrite and cementite

B) cementite and gamma iron

C) ferrite and austenite

D) ferrite and iron graphite

A) silver

B) gold

C) copper

D) germanium

A) gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt

B) Mg, Zn, Ti, Zr, Br, Cd

C) an iron (below 910°C and between 1400 to 1539°C), W

D) all of the above

A) stainless steel

B) gunmetal

C) German silver

D) duralumin