Top 350+ Solved Engineering Materials MCQ Questions Answer

a. Good electrical conductivity

b. Lightness

c. Lest affinity for oxygen

d. Resistance to corrosion

e. High thermal conductivity

a. Iron

b. Chromium

c. Tungsten

d. Carbon

e. Vanadium

a. Least resistant to corrosion

b. Heat treated to change its properties

c. Soft

d. Highly resistant to corrosion

e. Hard

a. Carbon

b. Lead

c. Zinc

d. Chromium

e. Aluminium Copper alloy

a. Automobile industry

b. Electrical industry

c. RCC work

d. Channel and other section for structural fabrication

e. All of the above

a. Anodising

b. Phosphorizing

c. Spheroidizing

d. Parkerising

e. Sheradising

a. cm/cm2/hr

b. cm/cm

c. kg/cm2

d. cm/cm/hr

e. kg/cm

a. Stress is proportional to strain

b. Stress/strain is constant

c. Average stress is proportional to average strain

d. Within elastic limits average stress is proportional to average strain

e. None of the above

a. Riveting

b. Sizing

c. Coining

d. Flattening

e. Punching

a. Extreme dimensional accuracy can be held on surfaces with surface finish of 8 r.m.s. or even less

b. Laminated metals can be produced

c. Rate of production is very high

d. (A) and (B) above

e. (A) and (C) above

a. > 0.0005 mm

b. >1 mm

c. > 0.05 mm

d. > 0.005 mm

e. > 0.5 mm

a. Rapid rate for crack propagation

b. Negligible deformation

c. Fragmentation into more than two pieces

d. Appreciable plastic deformation prior to propagation of crack

e. None of the above

a. Platinum

b. Palladium

c. Tantalum

d. Lithium

e. None of the above

a. Boron

b. Callium

c. Antimony

d. Indium

e. Aluminium

a. Isentropic material

b. Creates sound

c. Transmits sound

d. Reflects sound

e. Absorbs sound