

MCQOPTIONS
Saved Bookmarks
1. |
A circular steel rod of 20 cm2 cross-sectional area and 10 m length is heated through 50°C with ends clamped before heating. Given, E = 200 GPa and coefficient of thermal expansion, α = 10 × 10-6/°C, the thrust thereby generated on the clamp is |
A. | 100 kN |
B. | 150 kN |
C. | 200 kN |
D. | 250 kN |
Answer» D. 250 kN | |