Question

a device for lifting ground water.​

Answer 1

Answer:

Reciprocating pumps are used to lift water from underground sources; therefore, if the water level is deep, the pump cylinder has to be lowered close to water surface to reduce the suction head. The number of cylinders can be increased according to power sources.

Explanation:

Mark as brainlist

Answer 2

Explanation:

Lifting devices can be used to raise groundwater, rainwater stored in an under- ground reservoir, and river water. ... There are other water-lifting devices that are not described in this manual, such as the progressing cavities pump, the manual diaphragm suction pump, the treadle pump and the chain pump.

HOPE IT HELPS YOU.

Thank you,

Helping hand.