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If a cylinder of diameter 1.0cm at 30°c ...

If a cylinder of diameter 1.0cm at 30°c is to be slide into a hole of diameter 0.9997 cm in a steel plate at the same temperature, then minimum required rise in the temperature of the plate is [coefficient of linear expansion of steel `= 12 xx 10^(-6) //^(@) C` ]

A

`25^(@) C`

B

`35^(@) C`

C

`45^(@) C`

D

`55^(@) C`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • A steel meter scale is to be ruled so that millimeter intervals are accurate within about 5 xx 10^(-5) mm at a certain temperature. The maximum temperature variation allowable during the ruling is [coefficient of linear expansion of steel] = 10 xx 10^(-6) k^(-1) ]

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