RBSE Sec Voc Automotive Practice Questions - Rajasthan RBSE Secondary Automotive - Vocational Code 101 Exam

What is the primary purpose of engine lubricating oil?

To paint external body panels To replace the need for a cooling system entirely To inflate the tyres to the correct pressure To reduce friction and wear between moving engine parts and help carry away heat

Correct Answer:

To reduce friction and wear between moving engine parts and help carry away heat

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