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A steel rod is 4000cm in diameter at 30^...

A steel rod is 4000cm in diameter at `30^(@)C` A brass ring has an interior diameter of 3.992cm at `30^(@)` in order that the ring just slides onto the steel rod the common temperature of the two should be nearly
`(alpha_(steel)`=`11xx10^(-6)(^(@)C)` and `alpha_(brass)=19xx10^(-6)(^(@)C)`

A

`200^(@)C`

B

`350^(@)C`

C

`280^(@)C`

D

`300^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
C
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