Question

. Describe in detail how a metal rim is fixed on a wooden wheel?​

Answer 1

║⊕ANSWER⊕║

• When the rim cools, it contract and press tightly on to the wheels.
• Metals expand on heating and contract on cooling.
• This expansion and contraction of a metal is a reversible change.
• The metallic rim used is slightly smaller in diameter than the wheels .
• On heating the rim expands.
• The metal rim is always made slightly smaller than the wooden wheel.
• The metal rim is heated.
• On heating, the rim expands and fit onto the wheel.
• Cold water is then poured over the rim.