This you can get answered with simple question: Why it's difficult to cook rice in hilly areas i.e, on mountains compared to plain areas? When you read the book it's...

See, When you are running out of fuel in the tank; applying choke reduces the quantity of air entering into combustion chamber of a cylinder. Due to which more quantity...

SYED BASEERULLAHI have heard that an aircraft engines runs on white petrol, but i didn't got the reason that why we don't design an aircraft engine that runs on diesel...