Mechanical Engineering : Strength Of Materials QUESTIONS AND ANSWERS :: part2 : 21 to 25
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
21.When it is indicated that a member is elastic, it means that when force is applied, it will |
| not deform |
| be safest |
| stretch |
| not stretch |
| none of the above. |
22.The percentage reduction in area of a cast iron specimen during tensile test would be of the order of |
| more than 50% |
| 25�50% |
| 10�25% |
| 5�10% |
| negligible. |
23.The elasticity of various materials is controlled by its |
| ultimate tensile stress |
| proof stress |
| stress at yield point |
| stress at elastic limit |
| tensile stress. |
24.In a tensile test, near the elastic limit zone, the |
| tensile strain increases more quickly |
| tensile strain decreases more quickly |
| tensile strain increases in proportion to the stress |
| tensile strain decreases in proportion to the stress |
| tensile strain remains constant. |
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