Explore topic-wise MCQs in Mechanical Behaviour.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Behaviour knowledge and support exam preparation. Choose a topic below to get started.

1.

Pile up of dislocations causes strain hardening.

A. True
B. False
Answer» B. False
Discussion
2.

The slope of stress-strain curve in plastic range is _____

A. Rate of strain hardening
B. Bauschinger effect
C. True strain
D. Resolved shear stress
Answer» B. Bauschinger effect
Discussion
3.

Value of CRSS ____ with increasing impurity contents in a metal crystal.

A. Increases
B. Decreases
C. Remains constant
D. May increase or decrease
Answer» B. Decreases
Discussion
4.

Value of CRSS for HCP crystal _____ with increasing temperature.

A. Increases
B. Decreases
C. Remains constant
D. First decreases then remain unaffected
Answer» E.
Discussion
5.

What is interplanar spacing for {1 1 0} planes in BCC?

A. a/ 3
B. a/2 2
C. a/2
D. a/ 2
Answer» C. a/2
Discussion
6.

What is interplanar spacing for {1 1 1} planes in BCC?

A. a/2 3
B. a/ 2
C. a/2
D. a 3/2
Answer» B. a/ 2
Discussion
7.

What is the atomic density on the prismatic plane?

A. 1/a<sup>2</sup>
B. 2/ac
C. 2/a<sup>2</sup>
D. 2/ 3a<sup>2</sup>
Answer» C. 2/a<sup>2</sup>
Discussion