MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
Necking causes drop in load after an ultimate tensile point. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Strain hardening causes more deformation on less stress application. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Yield strength represents resistance against _________ |
| A. | Fracture |
| B. | Elastic deformation |
| C. | Bending |
| D. | Plastic deformation |
| Answer» E. | |
| 4. |
The maximum stress up to which stress is proportional to strain is known as ________ |
| A. | Tensile stress |
| B. | Compressive stress |
| C. | Modulus of elasticity |
| D. | Proportional limit |
| Answer» E. | |
| 5. |
_________ does not show linear stress strain relationship. |
| A. | Rubber |
| B. | Ceramic |
| C. | Steel |
| D. | Copper |
| Answer» B. Ceramic | |
| 6. |
Which material has higher elasticity? |
| A. | Rubber |
| B. | Glass |
| C. | Steel |
| D. | Copper |
| Answer» D. Copper | |
| 7. |
Material, if show identical properties in all directions, is said to be _________ |
| A. | Isotropic |
| B. | Elastic |
| C. | Ideal |
| D. | Homogeneous |
| Answer» B. Elastic | |
| 8. |
What term is used for the ratio of lateral strain to linear strain? |
| A. | Bulk modulus |
| B. | Elastic modulus |
| C. | Shear strain |
| D. | Poisson s ratio |
| Answer» E. | |
| 9. |
Ductility is the opposite concept of _________ |
| A. | Toughness |
| B. | Plasticity |
| C. | Brittleness |
| D. | Resilience |
| Answer» D. Resilience | |
| 10. |
If a bar is doubled in length, what will be the strain induced? |
| A. | 0.5 |
| B. | 1.0 |
| C. | 1.5 |
| D. | 2.0 |
| Answer» C. 1.5 | |
| 11. |
Ductility is indicated by _________ |
| A. | Percentage elongation |
| B. | Percentage of expansion |
| C. | Poisson s ratio |
| D. | Elasticity |
| Answer» B. Percentage of expansion | |
| 12. |
What is the deformation per unit length? |
| A. | Strain |
| B. | Stress |
| C. | Toughness |
| D. | Resilience |
| Answer» B. Stress | |