General Studies · IC Engine Lubrication System
कौन सा एडिटिव अत्यधिक ठंडे मौसम में इंजन ऑयल को वैक्स क्रिस्टल बनाने और जमने से रोकता है?
- 1विस्कोसिटी इंडेक्स इम्प्रूवर
- 2एंटीऑक्सीडेंट (Antioxidant)
- 3फोम इनहिबिटर (Foam inhibitor)
- 4पोर पॉइंट डिप्रेसेंट (Pour point depressant)✓
सही उत्तर देखें
पोर पॉइंट डिप्रेसेंट (Pour point depressant)
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