Explore topic-wise MCQs in Materials Science.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Materials Science knowledge and support exam preparation. Choose a topic below to get started.

1.

Surface energy of the specimen increases when the crack lengthens.

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

The graph for Griffith s crack is ____________

A. An ellipse
B. A circle
C. A straight line
D. A hyperbola
Answer» B. A circle
Discussion
3.

Which of the following statement is true regarding the toughness of a metal?

A. Energy consumed is less in ductile fracture than brittle fracture
B. Energy consumed is more in ductile fracture than brittle fracture
C. Energy consumed in the brittle fracture is same as the ductile fracture
D. Energy consumed is more in brittle fracture than ductile fracture
Answer» C. Energy consumed in the brittle fracture is same as the ductile fracture
Discussion
4.

Which of the following fracture mechanisms in which the crack propagates more rapidly?

A. Ductile fracture
B. Brittle fracture
C. Fatigue
D. It doesn t occur during fracture
Answer» C. Fatigue
Discussion
5.

Which of the following is associated with minimum plastic deformation?

A. Ductile fracture
B. Brittle fracture
C. Fatigue
D. It doesn t occur during fracture
Answer» C. Fatigue
Discussion