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


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