Most common engines types :-
Four-Stroke Engine :-
A four-stroke engine is an internal combustion engine that utilizes four distinct piston strokes (intake, compression, power, and exhaust) to complete one operating cycle. The piston make two complete passes in the cylinder to complete one operating cycle. An operating cycle requires two revolutions (720°) of the crankshaft.
Diesel Engine :-
An internal combustion engine that uses the heat of highly compressed air to ignite a spray
of fuel introduced after the start of the compression stroke.
one cycle of a four-stroke