Top 1000+ Solved Material Science MCQ Questions Answer
Q. slip occurs along plane and indirection
a. random, specific
b. specific, random
c. random, random
d. specific, specific
Q. in slip, the crystal structure above and below the plane remains
a. distorted
b. undistorted
c. sometimes distorted
d. none of the above
Q. slip occurs on plae which has
a. least number of atoms
b. random number of atoms
c. maximum number of atoms
d. no atoms
Q. slip direction is direction in the slip plane which has
a. least number of atoms
b. random number of atoms
c. maximum number of atoms
d. no atoms
Q. twin takes place due to
a. stress applied on material
b. chemical reaction within material
c. atmospheric reaction
d. none of the above
Q. in twinning, the structure in the distorted region forms of the crystal structure in the distorted region
a. random orientation
b. mirror image
c. a or b
d. none of the above
Q. the planes along which mirror image is formed is called planes
a. defective
b. imperfect
c. slip
d. twin
Q. the plastic deformation takes place due toand
a. slip
b. twin
c. both of the above
d. none of the above
Q. twining is the phenomenon observed due to
a. mechanical treatment
b. thermal treatment
c. chemical treatment
d. a or b
Q. generally metals with crystal structure shows plastic deformation mainly by slip mechanism
a. bcc
b. fcc
c. hcp
d. a and c
Q. generally metals with crystal structure shows plastic deformation mainly by twinning mechanism
a. bcc
b. fcc
c. hcp
d. a and c
Q. twinning occurs along plane and direction
a. random, specific
b. specific, random
c. random, random
d. specific, specific