To a lot of us, engines are a bit like women. We can usually figure out when something is wrong, but we don't know for sure what makes them tick. That's because engines, like the fairer sex, are ...

A.Here's a pressure-volume diagram for a combustion engine. Although rough, it is an approximation of the so-called air-standard cycle. '' Point (a) is at atmospheric pressure, after which the air is ...

Fuel increase to the point where insufficient oxygen prevents complete combustion causes a compression-ignition engine to smoke and smell bad, in addition to possible nozzle fouling and oil dilution.