What is Ignition lag?
(a) the time taken by fuel after injection to reach upto auto-ignition temperature
(b) time before actual fuel injection and the pump plunger starts to pump fuel
(c) time corresponding to actual injection and top dead center
(d) none of the mentioned
This question was posed to me in examination.
Query is from Qualities of Fuel topic in portion Conventional and Alternate Fuels of IC Engine