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1. Harry observes that his bicycle chain has started to rust, so he asks his friend Hari for suggestions. Hari tells Harry that he can apply grease on the chain from time to time to prevent rusting. a. Explain how applying grease can prevent rusting?b. Which are the two essential conditions needed for rusting ?​

Answer» <html><body><p>a) A bicycle chain needs lubricant to overcome <a href="https://interviewquestions.tuteehub.com/tag/mechanical-2780" style="font-weight:bold;" target="_blank" title="Click to know more about MECHANICAL">MECHANICAL</a> resistance, prevent rust and wear, and keep your drivetrain in tip-top condition. If not used properly, the same lubricating compounds designed to <a href="https://interviewquestions.tuteehub.com/tag/protect-1170661" style="font-weight:bold;" target="_blank" title="Click to know more about PROTECT">PROTECT</a> and enhance drivetrain performance are inherently at odds with the very purpose for which they were created.b) The <a href="https://interviewquestions.tuteehub.com/tag/two-714195" style="font-weight:bold;" target="_blank" title="Click to know more about TWO">TWO</a> essential conditions of rusting iron are the presence of oxygen, and the presence of water whose pH <a href="https://interviewquestions.tuteehub.com/tag/level-1072714" style="font-weight:bold;" target="_blank" title="Click to know more about LEVEL">LEVEL</a> is slightly acidic.Explanation:grease <a href="https://interviewquestions.tuteehub.com/tag/coating-421493" style="font-weight:bold;" target="_blank" title="Click to know more about COATING">COATING</a> prevents rusting because it blocks the oxygen and water to get in contact with the metal</p></body></html>


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