Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

What will be strength, if Burgers vector of dislocation is a [x y z]?

A. a<sup>2</sup>[x<sup>2</sup> + y<sup>2</sup> + z<sup>2</sup>]
B. a[x<sup>2</sup> + y<sup>2</sup> + z<sup>2</sup>]
C. a[x<sup>2</sup> + y<sup>2</sup> + z<sup>2</sup>]<sup>1/2</sup>
D. a[x<sup>2</sup> + y<sup>2</sup> + z<sup>2</sup>]<sup>2</sup>
Answer» D. a[x<sup>2</sup> + y<sup>2</sup> + z<sup>2</sup>]<sup>2</sup>
Discussion
2.

a/6[1 1] + a/6[1 2 1] _______

A. a/3[1 0 1]
B. a/6[1 0 1]
C. a/3[ 0 1]
D. a/6[ 0 1]
Answer» B. a/6[1 0 1]
Discussion
3.

The reaction a/6[ 2 ] + a/6[ 1 1] a/2[ 1 0] is ________

A. Favourable energetically
B. Favourable vectorially
C. Favourable vectorially and energetically
D. Not favourable vectorially and energetically
Answer» C. Favourable vectorially and energetically
Discussion
4.

The reaction a/2[ 1 0] a/6[ 2 ] + a/6[ 1 1] is _______

A. Favourable energetically
B. Favourable vectorially
C. Favourable vectorially and energetically
D. Not favourable vectorially and energetically
Answer» D. Not favourable vectorially and energetically
Discussion
5.

What is the strength of the Burgers vector for dislocations in BCC structure?

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