why diesel engine does not have spark plug like petrol
engine, how ever petrol is better fuel than diesel?
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Answer Posted / rahul nagane
Obiviously, Diesel engine works on the principal of
compression ignition(C.I.) and petrol engine on Spark
Ignition(S.I.).
Self ignition temp. of petrol is more than that of
diesel. In C.I. engine at the end of compression stroke due
to the compression of air fuel mixture temp. is enough for
auto ignition of air fuel mixture. So there is no need of
Spark plug in C.I. engine.
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