MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Strength of Materials knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A square steel bar of 10mm side and 5m length is subjected to a load whereupon it absorbs a strain energy of 100J. what is its modulus of resilience? |
| A. | 1/5 N-mm/mm<sup>3</sup> |
| B. | 25 N-mm/mm<sup>3</sup> |
| C. | 1/25 N-mm/mm<sup>3</sup> |
| D. | 5 N-mm/mm<sup>3</sup> |
| Answer» B. 25 N-mm/mm<sup>3</sup> | |
| 2. |
A steel has its yield strength of 200N/mm2 and modulus of elasticity of 1x105MPa. Assuming the material to obey hookes law up to yielding, what will be its proof resilience? |
| A. | 0.8 N/mm<sup>2</sup> |
| B. | 0.4 N/mm<sup>2</sup> |
| C. | 0.2 N/mm<sup>2</sup> |
| D. | 0.6 N/mm<sup>2</sup> |
| Answer» D. 0.6 N/mm<sup>2</sup> | |
| 3. |
The property by which an amount of energy is absorbed by material without plastic deformation is called __________ |
| A. | Toughness |
| B. | Impact strength |
| C. | Ductility |
| D. | Resilience |
| Answer» E. | |
| 4. |
The mathematical expression for resilience U is __________ |
| A. | U = <sup>2</sup>/E x volume |
| B. | U = <sup>2</sup>/3E x volume |
| C. | U = <sup>2</sup>/2E x volume |
| D. | U = /2E x volume |
| Answer» D. U = /2E x volume | |
| 5. |
The maximum strain energy stored at elastic limit is __________ |
| A. | Resilience |
| B. | Proof resilience |
| C. | Elasticity |
| D. | Malleability |
| Answer» C. Elasticity | |
| 6. |
The strain energy stored in a specimen when stained within the elastic limit is known as __________ |
| A. | Resilience |
| B. | Plasticity |
| C. | Malleability |
| D. | Stain energy |
| Answer» B. Plasticity | |
| 7. |
The ability of a material to absorb energy when elastically deformed and to return it when unloaded is called __________ |
| A. | Elasticity |
| B. | Resilience |
| C. | Plasticity |
| D. | Strain resistance |
| Answer» C. Plasticity | |