Give reason : The diameter of an iron tyre is kept slightly smaller than the wooden wheel on which this tyre is to be mounted

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Solution

The metal tyres of wooden wheels are made slightly smaller in diameter than the diameter of the wheel The metal tyres are heated before they are put on the wheel On cooling down they shrink (contract ) and fit on the wheel tightly

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Q. The diameter of an iron tyre is kept slightly smaller than the wooden wheel on which this tyre is to be mounted.

Q. An iron tyre is to be fitted onto a wooden wheel

1.0 m

in diameter. The diameter of the tyre is

6 mm

smaller than that of the wheel. Coefficient of volumetric expansion of iron is

3.6 \times 10^{- 5} /^{\circ} C

. Then, to fit the iron tyre on the wooden wheel,

Q. An iron tyre is to be filled onto a wooden wheel

100 c m

in diameter. The diameter of the tyre is

5 m m

smaller than that of the wheel. How much should the temperature of the tyre be increased for this purpose?

(α

for iron

= 12 \times 10^{- 6}^{\circ} C^{- 1})

An iron tyre is to be fitted on to a wooden wheel 1m in diameter. The diameter of tyre is 6 mm smaller than that of wheel. The tyre should be heated so that its temperature increases by a minimum of (the coefficient of cubical expansion of iron is 3.6 × $10^{- 5} /^{\circ} C$ )

Q. An iron tyre is to be fitted onto a wooden wheel 1.0 m in diameter. The diameter of the tyre is 6 mm smaller than that of wheel. The tyre should be heated so that its temperature increases by a minimum of (Coefficient of volume expansion of iron is

3.6 \times 10^{- 5} /^{\circ} C

)

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