engineering recuitment NCL Assistant Foreman (Trainee) Mock Test 2024 Internal Combustion Engine Fuels and Combustion
The function of oil control rings in IC engine is to _______.
1
lubricate the cylinder wall by releasing from its hole
2
maintains a seal and prevents escape of burned gases and oil leakage
3
keeps the cylinder wall lubricated by holding oil in its channel
4
prevents engine oil from going into combustion chamber and returns excess lubricating oil off the cylinder wall through the return holes in the piston to the oil pan