In a four stroke engine, the speed of the engine is N r.p.m. The speed of the cam shaft will be
,d prq%LVªksd batu eas batu dh xfr N pØ izfr feuV gSA dSe 'kkÝV dh xfr gksxh
N r.p.m
2N r.p.m
4N r.p.m
The speed of the camshaft is exactly half the speed of
the crankshaft in four stroke engine. Camshaft operates the ignition
timing mechanism, lubricating oil pump and fuel pump.
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