![Mcqmate logo](https://mcqmate.com/public/images/logos/logo-black.png)
![Mcqmate logo](https://mcqmate.com/public/images/logos/logo-white.png)
McqMate
Q. |
A brittle steel rod is heated to 160?C and then suddenly clamped at both ends. It is then allowed to cool and breaks at a temperature of 85?C. If E = 200 GN/m2 and ? = 12 x 10-5 / ?C, the breaking stress of steel is |
A. | 60 MN / m2 |
B. | 90 MN / m2 |
C. | 180 MN / m2 |
D. | 360 MN / m2 |
E. | None of the above |
Answer» C. 180 MN / m2 |
View all MCQs in
Strength of MaterialsNo comments yet