Also known as PCV, and commonly associated with a PCV Valve.
What is it? A method the engine on your car uses to ensure there is no excessive pressure build-up in your crank case (By allowing it to...
The question should really be "How does positive crankcase ventilation work?" You can't ventilate a crank, it's either solid (roller bearing crank) or the only spaces are oilways. Positive crankcase...
First, there are certain sign conventions. It could be defined in a different way, but things are traditionally done in a certain way. Second, if work going out of the system is defined as positive,...