General Studies · Automobile Engineering
स्नेहक तेलों (lubricating oils) में घर्षण संशोधक और एंटी-वियर एडिटिव के रूप में आमतौर पर निम्नलिखित में से किस तत्व का उपयोग किया जाता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1तांबा (Cu)✓
- 2बोरोन (B)
- 3कैल्शियम (Ca)
- 4बेरियम (Ba)
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तांबा (Cu)
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