Mechanical Engineering : Strength Of Materials QUESTIONS AND ANSWERS :: part2 : 1 to 5
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
1.The ratio of lateral strain to the linear strain within elastic limit is known as |
| Young's modulus |
| bulk modulus |
| modulus of rigidity |
| modulus of elasticity |
| Poisson's ratio. |
2.Poisson's ratio is defined as the ratio of |
| longitudinal stress and longitudinal strain |
| longitudinal stress and lateral stress |
| lateral stress and longitudinal stress |
| lateral stress and lateral strain |
| none of the above. |
3.The value of Poisson's ratio for cast iron is |
| 0.1 to 0.2 |
| 0.23 to 0.27 |
| 0.25 to 0.33 |
| 0.4 to 0.6 |
| 3 to 4. |
4.The property of a material which allows it to be drawn into a smaller section is called |
| plasticity |
| ductility |
| elasticity |
| malleability |
| durability. |
5.The change in the unit volume of a material under tension with increase in its Poisson's ratio will , |
| increase |
| decrease |
| remain same |
| increase initially and then decrease |
| unpredictable. |
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