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energy-in-the-form-of-heat-is-wasted-when-a-machine-is operated. this heat is generated due to ___________.

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Question

Energy in the form of heat is wasted when a machine is operated. This heat is generated due to ___________.

[A] burning

[B] friction

[C] combustion

[D] lubrication

Answer & Explanation
Answer: Option [B]

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