एक मानक पूर्ण रूप से तैयार आधुनिक कमर्शियल ऑटोमोटिव इंजन ऑयल में मौजूद रासायनिक एडिटिव्स का विशिष्ट प्रतिशत आयतन (वॉल्यूम) कितना होता है?

What is the primary source of heat that causes the temperature of engine oil to rise significantly during operation?

Some specialized bypass oil filters utilize high-speed rotation to separate denser solid contaminants from the oil. On what physics principle do these filters work?