WBCHSE HS Vocational Automobile Practice Questions - West Bengal Council Of Higher Secondary Education Class 12 Vocational Automobile Exam

What is the function of the piston rings fitted on an internal combustion engine piston?

To connect the piston to the crankshaft directly To seal the combustion chamber and prevent blow-by To drive the camshaft timing belt To increase the engine displacement volume

Correct Answer:

To seal the combustion chamber and prevent blow-by

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