Explore topic-wise MCQs in Mechanical Behaviour.

This section includes 6 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.

Transition temperature is defined at 50% fibrous fracture.

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

Transition range is 0.5 0.7 Tm for metals.

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

Sharper the notch in a specimen, the higher will be the _________ and low the _________

A. Crystallization temperature, Impact toughness.
B. Transition temperature, impact toughness
C. Transition temperature, Fracture stress
D. Crystallization temperature, fracture stress
Answer» C. Transition temperature, Fracture stress
Discussion
4.

What is the transition temperature range for ceramics?

A. 0.1 0.2 T<sub>m</sub>
B. 0.3 0.5 T<sub>m</sub>
C. 0.5 0.7 T<sub>m</sub>
D. 0.7 0.9 T<sub>m</sub>
Answer» D. 0.7 0.9 T<sub>m</sub>
Discussion
5.

With increasing ___________ material s amount of deformation which can be achieved decreases.

A. Temperature
B. Slip systems
C. Strain rate
D. Vacancies
Answer» D. Vacancies
Discussion
6.

On increasing temperature, a material tends to loose its ability to resists plastic deformation is due to decrease in _________________

A. Tensile stress
B. Yield stress
C. Compressive stress
D. Shear stress
Answer» C. Compressive stress
Discussion