Give reason for the following: (a) iron rims are heated red hot before fixing them on cart wheels (b) A clinical thermometer has a slight bend, in its
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(a) Iron rims are heated red hot before fixing them on cart wheels. (b) A clinical thermometr has a slight blend, or knik, in its capillary tube. ... a) Iron rims are red hot because they are heated to expand and when u fit them on the wheel cold water is poured over them so that they contract and become tight .
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Answer:
Iron rims are heated red hot before fixing them on cart wheels. (b) A clinical thermometr has a slight blend, or knik, in its capillary tube. ... a) Iron rims are red hot because they are heated to expand and when u fit them on the wheel cold water is poured over them so that they contract and become tight
Explanation:
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