Question

Give reason: why cold water is poured over hot iron while filting a rim over wheel.

Answer 1

Answer:

For fixing the metal rim on a wooden wheel of a cart, the metal rim is made slightly smaller than the wooden wheel. On heating, the rim expands and fits onto the wheel. Cold water is then poured over the rim, which contracts and fits tightly onto the wheel.

Answer 2

Answer:

for fixing the metal rim on wooden wheel of cart, the metal rim is made slightly smaller then the wooden wheel on heating the rim expands and fits onto the wheel cold water is then poured over the rim which contract nd fits tightly onto the wheel ❤️❤️❤️