What is the purpose of piston rings?

Answer Posted / prabhat patel

the function of piston rings are to provide clode tight
with cylinder.two piston rings are mounted in the piston.
one is upper piston ring and other is lower piston ring.
upper piston ring preventleakege of charge(a+f)from
cylinder to crankcase, while lower piston ring prevent the
leakege of oil from crankcase to cylinder.

Is This Answer Correct ?    9 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What will be expected the cut-off of J.E Mechanical exam of RRB on 19/12/2010 ?

1616


What is the function of thermostat in cooling system of an engine ?

662


In order to derive the torsional formulas what are the assumptions taken?

611


what is the actual difference between casting and moulding? explain pressure die casting process?

18045


how to find the L shape surface of the moment of inertia and section modulus.

1679






What causes diesel engine trouble when using heavy oil?

1644


i want to know the difference between proportional hydraulic valve & servo hydraulic valve

1704


How to calculate IKW (inputkilowatt) ie.. efficiency of a airconditioning chiller plant capacity of 310TR

2477


bag filter ,monitooringof exection/ co -ordination of site activities format

1427


hi if anyone have ntpc q previous year ...send me yogessuccess@gmail.com

1670


can anyone guide me me for engineering service commission exam?

1357


what is electronically operated pneumatic valves? give one example

1617


What is function (in details) room sensor and tube or coil sensor in HVAC system?

1120


How is the aptitute test done

517


What are the procedures of starting of diesel engine?

1598