Answer to Question #210436 in Mechanical Engineering for Mohamed sadique

Question #210436

In a remote area, water is to be supplied from underground water source, whose free surface is 100 m. below ground level, using a water pump. This water is to be stored in a water tank at a height of 10 m. from the ground level. This pump is connected with an inlet pipe of diameter 20 cm. and outlet pipe of diameter 30 cm. determine the power input to this pump for steady water supply 17. of 20 L/s. assume no heat interaction during this process.

Expert's answer

Pumping stations can be grouped as follows:

- pumping water from a water source such as a river;

- for lifting water (high quantity, low pressure) from a well;

- for pumping water into a supply system, elevated water tank or water tower;

- to increase pressure.

Pumping stations for the first two functions are generally of 2-20 m lifting capacity. Pumping stations for obtaining water from a water source have two types depending on the source:

- pumping from surface water (river, canal, lake, reservoir, etc.);

- pumping from subsurface water (soil water, deep seated spring, cavern water, spring water, marginal water, etc.) 

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