Asked/Added Questions From NCERT:

Question 1. Asked on :30 September 2020:06:16:32 PM

Why iron rims are heated red hot before being put on the cart wheels?

-Added by Shruti Srivastva Physics » Thermal Properties Of Matter

Answer by: Anjali Kumari

Anjali Kumari
The iron ring to be put on the rim of a cart wheel is always of slightly smaller diameter than that of the wheel. When the iron ring is heated to become red hot, it expands and slips on to the wheel easily. When it is cooled, it contracts and grips the wheel firmly.

-Answered by Anjali Kumari On 11 October 2020:02:07:50 PM(20935Average Rating Based on rating)


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