Engineering Materials MCQ Questions & Answers | Mechanical Engineering

A. Alloy and carbon tool steel

B. Magnet steel

C. High speed tool steel

D. All of these

A. Improves wear resistance, cutting ability and toughness

B. Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties

C. Improves cutting ability and reduces hardenability

D. Gives ductility, toughness, tensile strength and anti-corrosion properties

A. Mild steel

B. Cast iron

C. H.S.S.

D. High carbon

A. 0.2%

B. 0.8%

C. 1.3%

D. 2%

A. 0.02%

B. 0.3%

C. 0.63%

D. 0.8%

A. Ductile material

B. Malleable material

C. Brittle material

D. Tough material

A. High tensile strength

B. Its elastic limit close to the ultimate breaking strength

C. High ductility

D. All of the above

A. Made by adding carbon in steel

B. Refined from cast iron

C. An alloy of iron and carbon with varying quantities of phosphorus and sulphur

D. Extensively used for making cutting tools

A. 0.1 to 0.3%

B. 0.3 to 0.6%

C. 0.6 to 0.8%

D. 0.8 to 1.5%

A. 0.04%

B. 0.35 to 0.45%

C. 0.4 to 0.6%

D. 0.6 to 0.8%