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Brittle Fracture - Materials Science MCQ Questions

Brittle Fracture MCQs : Here you will find MCQ Questions related to "Brittle Fracture" in Materials Science. These Brittle Fracture MCQ Questions Will help you to improve your Materials Science knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations




Question 1

____________________ is the sudden, very rapid cracking of equipment under stress where the material exhibited little or no evidence of ductility or plastic degradation before the fracture occurs.

A. Failure
B. Ductile Fracture
C. Brittle Fracture
D. None of the above

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Question 2

Brittle fracture is often caused by ?

A. high temparture
B. low temparture
C. Does not depend on temparture
D. Can not say

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Question 3

How many major types of brittle fractures?

A. 5
B. 3
C. 4
D. 2

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Question 4

In Which types of fracture travels through the grain of the material?

A. intergranular
B. transgranular
C. Both A and B
D. None of the above

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Question 5

Intergranular fracture usually occurs when the phase in the grain boundary is weak and brittle.

A. Yes
B. No
C. Can be yes or no
D. Can not say

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Question 6

Below which point does brittle fracture occur?

A. Ultimate tensile strength
B. Fracture point
C. Elastic limit
D. Yield point

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Question 7

The tendency of brittle fracture increases with:

A. Increasing temperature
B. Decrease in strain rate
C. Increase in strain rate
D. It doesn’t depend on temperature or strain rate

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Question 8

Which of the theory is related to brittle fracture?

A. Laundau theory
B. Dirac hole theory
C. Valence bond theory
D. Griffith’s theory

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Question 9

Thicker components have a higher degree of susceptibility to brittle fracture?

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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Question 10

Surface energy of the specimen increases when the crack lengthens.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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