General Studies · Automobile Engineering
गतिशील सतहों के बीच घर्षण को कम करने के लिए उपयोग किए जाने वाले पदार्थ को कहा जाता है:
- 1तरलीकृत प्राकृतिक गैस
- 2कूलेंट
- 3एंटीफ्रीज
- 4लुब्रिकेंट (स्नेहक)✓
सही उत्तर देखें
लुब्रिकेंट (स्नेहक)
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