RBSE SS Voc Automotive Practice Questions - Rajasthan RBSE Senior Secondary (Class 12) Vocational Automotive - Code 101 Exam

The main function of the piston rings in a reciprocating engine is to:

Connect the piston to the timing belt permanently Seal combustion gases, control oil, and transfer heat to the cylinder wall Open and close the intake and exhaust valves Meter fuel into the combustion chamber

Correct Answer:

Seal combustion gases, control oil, and transfer heat to the cylinder wall

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