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.

Yield point phenomenon is more marked in annealed low carbon steels.

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

Tensile strength decrease by strain ageing.

A. True
B. False
Answer» C.
Discussion
3.

What is the diffusion rates of carbon and nitrogen atoms markedly dependent on?

A. Temperature
B. Load
C. Crystal structure
D. Fatigue strength
Answer» B. Load
Discussion
4.

A material is a fatigue tested below the fatigue limit for few millions of cycles and then retested at higher than fatigue limit. This process is known as ___________

A. Under stressing
B. Coaxing
C. Bridging
D. Toughening
Answer» C. Bridging
Discussion
5.

Fatigue strength of iron and steel _________ with an increase in temperature.

A. Increases
B. Decreases
C. Remains constant
D. First increases and then decreases
Answer» E.
Discussion