Answers

2015-10-23T15:25:24+05:30
Pumps that pull water up work by reducing the air pressure above the water, sucking it into the pump. The pump works by a difference in pressure usually between the air and the vacuum created by the pump.The greatest difference occurs when the pump removes all the air from the pipe reducing the pressure to zero (0). This maximum difference limits the height of the column of that such pump can support.


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