Answer for Name the various parts of engine which create friction.

(a) Main bearing
(b) Big end bearing
(c) Small end bearing
(d) Cam shaft bush
(e) Walls of the cylinder
(f) Piston ·
(g) Gudgeon Pin … : 1. Lubrication System .
(h) Valve rocker assembly
(i) Timing gear
(j) Valve stem and guide
(k) Piston rings.