| Book Name: | Strength of Materials – Mechanical Engineering Multiple choice Questions Answers |
| Category: | Mechanical MCQs |
| Free Download: | Available |
strength of materials objective questions and answers pdf
Strength of Materials
Mechanical Engineering Multiple choice Questions Answers
“Strength of Materials”
Mechanical Engineering MCQS
from FreePDfbook.com
Strength of Materials Questions Answers
1. Strain is defined as the ratio of
(a) change in volume to original volume
(b) change in length to original length
(c) change in cross-sectional area to original cross-sectional area
(d) any one of the above
(e) none of the above.
Ans: d
2. Hooke’s law holds good up to
(a) yield point
(b) limit of proportionality
(c) breaking point
(d) elastic limit
(e) plastic limit.
Ans: b
3. Young’s modulus is defined as the ratio of
(a) volumetric stress and volumetric strain
(b) lateral stress and lateral strain
(c) longitudinal stress and longitudinal strain
(d) shear stress to shear strain
(e) longitudinal stress and lateral strain.
Ans: c
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84. In a belt drive, the pulley diameter is doubled, the belt tension and pulley width remaining same. The changes required in key will be
(a) increase key length
(b) increase key depth
(c) increase key width
(d) double all the dimensions
(e) none of the above.
Ans: c
85. Shear stress induced in a shaft subjected to tension will be
(a) maximum at periphery and zero at center
(b) maximum at center
(c) uniform throughout
(d) average value in center
(e) none of the above.
Ans: e
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