Engineering Materials MCQ Questions & Answers | Mechanical Engineering

A. White cast iron

B. Nodular cast iron

C. Malleable cast iron

D. Alloy cast iron

A. Paramagnetic

B. Ferromagnetic

C. Ferroelectric

D. Dielectric

A. Steel

B. Al₂O₃

C. SiO₂

D. MgO

A. There is no critical point

B. There is only one critical point

C. There are two critical points

D. There can be any number of critical points

A. Duralumin

B. Brass

C. Copper

D. Silver

A. 65% nickel, 15% chromium and 20% iron

B. 68% nickel, 29% copper and 3% other constituents

C. 80% nickel and 20% chromium

D. 80% nickel, 14% chromium and 6% iron

A. It easily machinable

B. It brittle

C. It hard

D. The casting unsound

A. Body centered cubic space lattice

B. Face centered cubic space lattice

C. Close packed hexagonal space lattice

D. None of these

A. Modulus of elasticity is fairly low

B. Wear resistance is very good

C. Fatigue strength is not high

D. Creep strength limits its use to fairly low temperatures

A. Cold rolled into sheets

B. Drawn into wires

C. Formed into tube

D. Any one of these