The main purpose of piston rings is:

Agricultural Engineering Mcqs
BILAL KHATTAK0

A.To control combustion pressure
B.To control cylinder wall librication
C.To drain out excessive oil
D.All are correct

Related Mcqs:

  1. Oil rings are slotted to
  2. The need for installing new piston rings is determined by checking
  3. The function of a piston rins in an internal combustion engine is
  4. Oil rings on the piston are located:
  5. The total number of rings on piston may vary from:
  6. The compression rings mounted on piston are generally made of:
  7. Piston rings are made of
  8. Piston compression rings are made of
  9. Excessive oil consumption in engines is due to:
  10. Oil pan is attached

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