Top 1000+ Solved Material Science MCQ Questions Answer
Q. (001) is a plane of the cube & is
a. horizontal
b. vertical
c. inclined to z axis
d. inclined to x axis
Q. (100) is a plane of the cube & is
a. horizontal
b. vertical
c. inclined to z axis
d. inclined to x axis
Q. (010) is a plane of the cube & is
a. horizontal
b. vertical
c. inclined to z axis
d. inclined to x axis
Q. (111) is a plane of the cube & is
a. horizontal
b. vertical
c. inclined to z axis
d. none of the above
Q. The crystal structure of most common metals is
a. hexagonal
b. cubic
c. orthorhombi c
d. triclinic
Q. A crystal structure in a regular array of atoms is arranged in one of the space lattices
a. 10
b. 12
c. 14
d. none of the above
Q. The linear disturbance of atomic arrangement is known as
a. imperfectio ns
b. slip
c. dislocations
d. none of the above
Q. is a system of notations of planes within a crystal of space lattice
a. space lattice
b. burger vector
c. miller indices
d. none of the above
Q. Atom movements in twinnning are muchthan atomic spacing
a. more
b. less
c. equal
d. none of the above
Q. diffusion implies atomic movement along the surface of a plane
a. atomic
b. surface
c. volume
d. grain boundary
Q. In a simple cubic structure, [100] and(100) parallel?
a. no
b. yes
c. maybe yes
d. none of the above
Q. The miller indices of a plane are proportional to :
a. the reciprocal of numerical parameters of the intercepts
b. the square of unit cell dimensions
c. the interccepts of the planes on the coordinate axes
d. interplaner spacing
Q. A material having different properties in different directions is known as
a. isotropic
b. anisotropic
c. crystalline
d. amorphous
Q. Presence of carbon atom in iron is an example of impurity
a. substitution al
b. interstitial
c. frankel
d. schottky
Q. Directions of edge dislocation & burger vector are to each other
a. perpendicul ar
b. parallel
c. inclined at 45°
d. concurrent