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A steel rod of length 6.0 m and diameter...

A steel rod of length `6.0 m` and diameter `20 mm` is fixed between two rigid supports . Determine the stress in the rod, when the temperature increases by `80^@`C if
(a)the ends do not yield (b) the ends yield by 1mm
Take `Y=2.0xx10^(6) kg//cm^(2)`and `alpha=12xx10^(-6) per ^@C.`

A

`9.6 xx 10^(5) "Nm"^(-2)`

B

`9.6 xx 10^(6) "Nm"^(-2)`

C

`9.6 xx 10^(7)"Nm"^(-2)`

D

`9.6 xx 10^(8) "Nm"^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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