A blacksmith fixes iron ring on rim of wooden wheel of a horse cart. The diameter of rim and iron ring are 3.453 m and 3.441 m respectively at 0°C. To what temperature should the ring be heated so as to fit on rim of wheel? (αFe = 1.20 × 10–5 K–1)

 A blacksmith fixes iron ring on rim of wooden wheel of a horse cart. The diameter of rim and iron ring are 3.453 m and 3.441 m respectively at 0°C. To what temperature should the ring be heated so as to fit on rim of wheel? (αFe = 1.20 × 10–5 K–1)

	290.6°C
	260.5°C
	330.4°C
	435.6°C