Explore topic-wise MCQs in Strength of Materials.

This section includes 104 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.

101.

If the length of a column is doubled, the critical load becomes

A. 1/2 of the original value
B. 1/4 of the original value
C. 1/8 of the original value
D. 1/16 of the original value
Answer» C. 1/8 of the original value
Discussion
102.

Which one of the following types of stress-strain relationship best describes the behavior of brittle materials, such as ceramics and thermosetting plastics, ( = stress and - strain)?

A. <img src="http://images.interviewmania.com/wp-content/uploads/2019/10/as-157.jpg">
B. <img src="http://images.interviewmania.com/wp-content/uploads/2019/10/as-158.jpg">
C. <img src="http://images.interviewmania.com/wp-content/uploads/2019/10/as-159.jpg">
D. <img src="http://images.interviewmania.com/wp-content/uploads/2019/10/as-160.jpg">
Answer» E.
Discussion
103.

A solid circular shaft of 60 mm diameter transmits a torque of 1600 Nm. The value of maximum shear stress developed is

A. 37.72 MPa
B. 47.72 MPa
C. 57.72 MPa
D. 67.72 MPa
Answer» B. 47.72 MPa
Discussion
104.

For a circular shaft of diameter d subjected to torque T, the maximum value of the shear stress is

A. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>64T</center></td></tr><tr><td style="text-align: center;"> d<sup>3</sup></td></tr></table>
B. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>32T</center></td></tr><tr><td style="text-align: center;"> d<sup>3</sup></td></tr></table>
C. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>16T</center></td></tr><tr><td style="text-align: center;"> d<sup>3</sup></td></tr></table>
D. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>8T</center></td></tr><tr><td style="text-align: center;"> d<sup>3</sup></td></tr></table>
Answer» D. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>8T</center></td></tr><tr><td style="text-align: center;"> d<sup>3</sup></td></tr></table>
Discussion