Multiple Choice
A 10 m long mild steel rail section is fixed at 300 K temperature. If temperature increases by 60 K, find stress in rail section if ends are not yielded. Coefficient of thermal expansion is 12×10-6/K.
A) 72 N/mm2
B) 144 N/mm2
C) 120 N/mm2
D) 240 N/mm2
Correct Answer:
Verified
Correct Answer:
Verified
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