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15. How does a lubricant reduces friction between moving parts of a machine?मशीन के चलते भागों के बीच चिकनाई घर्षण को कैसे कम करती है?a. Lubricant increases the material's irregularitiesस्नेहक सामग्री की अनियमितताओं को बढ़ाता हैb. Lubricant makes the moving parts tightस्नेहक चलती भागों को तंग करता हैc. Lubricant forms a thin film of surface between the moving parts so that they dorother directlyस्नेहक चलती भागों के बीच सतह की एक पतली फिल्म बनाता है ताकि वे सीधे एरगड़ें नहींd. Lubricant tears the partsस्नेहक भागों को फाड़ देता है |
Answer» <html><body><p><strong>Answer:</strong></p><p>C</p><p><strong>Explanation:</strong></p><p>because lubricant fills the <a href="https://interviewquestions.tuteehub.com/tag/gaps-1003446" style="font-weight:bold;" target="_blank" title="Click to know more about GAPS">GAPS</a> of irregular surface which <a href="https://interviewquestions.tuteehub.com/tag/leads-540453" style="font-weight:bold;" target="_blank" title="Click to know more about LEADS">LEADS</a> to less friction between surfaces</p><p></p></body></html> | |