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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 8

Iron rims are heated before they are fixed on the wooden wheels. - Physics

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प्रश्न

Iron rims are heated before they are fixed on the wooden wheels.

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उत्तर

Iron rims are made slightly smaller in diameter than the wooden wheel and on heating, wheel expands and can easily slip over the wooden wheel and on cooling the rim contracts and MAKES A TIGHT FIT OVER the wooden wheel.

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अध्याय 6: Heat Transfer - Short/long Answer Questions [पृष्ठ १२१]

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सेलिना Concise Physics [English] Class 8 ICSE
अध्याय 6 Heat Transfer
Short/long Answer Questions | Q 24.2 | पृष्ठ १२१
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