Top 1000+ Solved Material Science MCQ Questions Answer
Q. Value of critical shear stress is independent of
a. bonding
b. slip direction
c. temperature
d. purity
Q. Which of the following is false?
a. line defects are thermodyna mically stable
b. dislocation can end inside a crystal without forming loop
c. abc abcabc…is stacking sequence for hcp crystal
d. all
Q. Which one of following should be preferred for brittle materials
a. hot working
b. cold working
c. both a and b
d. can’t say
Q. Which one of the following is not basic component of Materials Science?
a. cost
b. properties
c. structure
d. performanc e
Q. In metals the plastic deformation generally takes place by the mechanism of
a. slipping
b. twinning
c. cold working
d. hot working
Q. The shear stress required to produce slip on a single crystal plane is called the shear stress
a. pure
b. mixed
c. critical
d. critical resolved
Q. imperfections involve missing of cation from it's respective position
a. frankel
b. schottky
c. point
d. interstitial