Top 350+ Solved Engineering Materials MCQ Questions Answer
Q. Cemented carbide tools are generally not used for the machining of
a. Cast iron
b. Aluminium
c. Bronze
d. Brass
e. Steel
Q. The structure of common glass is
a. Amorphous
b. Partially crystalline
c. Fully crystalline
d. None of the above
e. Semi-conductors
Q. The purpose of annealing is to
a. Produce irregular microstructure
b. Harden the surface
c. Induce hardness
d. Remove stresses
e. Induce stresses
Q. The behaviour of visco-elastic materials is
a. time dependent
b. temperature dependent
c. orientation dependent
d. age-dependent
e. None of the above
Q. What is the atomic or ionic characteristic that determines the elements of which the atom or iron is representative?
a. The nuber of electrons
b. The mass
c. Vitrified clay
d. The number of protons
e. The number of neutrons
Q. Which of the following increases when copper is hard drawn into wires?
a. Diameter
b. Cross-sectional area
c. Resistivity
d. Specific gravity
e. None of the above
Q. Which of the following materials have maximum magnetic permeability?
a. 4% silicon steel
b. 13.40%
c. Iron carbide
d. Pure iron
e. Gram oriented Si-Fe
Q. Monel metal is
a. Aluminium Copper alloy
b. Nickel-Chromium alloy
c. Aluminium Silver alloy
d. Copper Nickel alloy
e. Chromium - Molybdenum alloy
Q. Copper sheets are manufactured by
a. Sintering
b. Deep drawing
c. Drawing
d. Extruding
e. Rolling
Q. If steel is quenched in water, the structure obtained is
a. Martensite
b. Acicular
c. Troosite
d. Sorbite
e. Pearlite
Q. Brinell and Vickers hardness values are practically identical upto a hardness of
a. 300
b. 30
c. 100
d. 10
e. 600