Question

how is petrol pumped out?

Answer 1

petrol is pumped out through soil.its is taken out by a drillig machine.anthing else to ask.

Answer 2

This mechanism eventually developed into the modern gasoline pump cut off valve . Most modern pumps have an auto cut off feature that stops the flow when the tank in full. This is done with a second tube , the sensing tube , that runs from just in sude the mouth of the nozzle up to a Venturi pump in the pump handle.

hope it help you