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A steel rod is 4.00cm in diameter at 30^...

A steel rod is 4.00cm 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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