Question 1: Consider the diagram shown below, where a pump is employed to draw water from a lake to feed an irrigation system.
![1021_irrigation pump system.jpg](https://secure.tutorsglobe.com/CMSImages/1021_irrigation%20pump%20system.jpg)
a) Which of the points of departure the minimum water flow takes place and what is its value?
Now restate the problem as shown:
![1616_irrigation pump system_2.jpg](https://secure.tutorsglobe.com/CMSImages/1616_irrigation%20pump%20system_2.jpg)
b) What is the minimum power of the pump to make sure that at any point of exit of water, the flow rate is at least 500 L/h?