CBSE Class 6 Answered
How can expansion process be used for tightly fixing a metal rim on a wooden wheel?
Asked by Topperlearning User | 25 Apr, 2014, 08:37: AM
Expert Answer
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.
Answered by | 25 Apr, 2014, 10:37: AM
Concept Videos
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Changes around Us - 2
This video explains changes such as melting, expansion and contraction.
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