What will be the thermal stress (in MPa) developed in a rod having a d – McqOptions

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1.	What will be the thermal stress (in MPa) developed in a rod having a diameter of 4 cm and length of 2 m. It experiences heating from temperature 50°C to 200°C. The coefficient of thermal expansion is α = 10 × 10-6/°C and young’s modulus is 250 GPa?
A.	300
B.	325
C.	350
D.	375
Answer» E.

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