Slip Systems MCQ’s

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This set of Materials Science Multiple Choice Questions & Answers (MCQs) focuses on “Slip Systems”.

1. How many slip system are there in FCC lattice?
a) 12
b) 6
c) 10
d) 18

2. Slip planes do not occur where ______
a) Atom density is high
b) Atom density is low
c) Atoms are closely placed
d) direction of slip plane is the same as the translation vector which is the shortest

3. Slip plane along with the direction of slip is called a slip system.
a) True
b) False

4. Which law is related to slip plane and slip direction?
a) Bragg’s law
b) Fick’s law
c) Schmid’s law
d) Such a law doesn’t exist

5. Value of critical resolved shear stress for a given material at a given temperature ______
a) Increases with time
b) Decreases with time
c) Decreases harshly with time
d) Remains constant

6. How many slip systems are there in BCC lattice?
a) 36
b) 48
c) 24
d) 18

7. Which of the following factors are more accurate when used for polycrystal metals?
a) Schmid’s factor
b) Taylor factor
c) Independent factor
d) Max factor

8. Which of the following stresses is required for the slip to occur?
a) Tensile stress
b) Compressive stress
c) Critical resolved shear stress
d) Slip doesn’t occur due to stress

9. How many slip systems are there in hexagonal closed packed crystal?
a) 3
b) 6
c) 9
d) 18

10. Slip is important for deformation to occur.
a) True
b) False

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