Explore topic-wise MCQs in Mechanical Behaviour.

This section includes 5 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.

Which element increases DBTT of steel?

A. Ni
B. Mn
C. Al
D. Mo
Answer» E.
2.

What is aluminum responsible for in steel?

A. Decrease notch toughness
B. Deteriorate strength
C. Lower oxygen content
D. Increase growth strength
Answer» D. Increase growth strength
3.

Which element decreases DBTT of steel?

A. Ni
B. Mn
C. Al
D. Mo
Answer» C. Al
4.

Value of m will decrease if _________

A. Increase in number of unpinned dislocation sources
B. Increase test temperature
C. Increase crack velocity
D. Blunting of crack
Answer» D. Blunting of crack
5.

Above critical speed, what happens to the energy required to rupture a material when striking velocity increases?

A. Increases slowly
B. Increases rapidly
C. Decreases slowly
D. Decreases rapidly
Answer» E.