1.

A steel rod of 4m long and 30mm diameter is connected to two grips and the rod is maintained at a temperature of 70° C. find out the force exerted by the rod after it has been cooled to 25°C, if a) the ends do not yield, and b) the ends yield by 1.5mm. TakeE=2.1X105N/mm2. Coefficient of linear expansion as 12x10-6/ °C.​

Answer»

answer

b PART is correct

COEFFICIENT is 2.1×105N

as 12×10-6 °C

I HOPE it helps you ...



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