State three factors considered in selection of pumps. (5marks)June/July 2020

There are several factors that should be considered when selecting a pump, including:

1. The type of fluid being pumped: Different pumps are designed to handle different types of fluids, so it is important to choose a pump that is compatible with the fluid being pumped.
2. The required flow rate: The pump needs to be able to deliver the required flow rate to meet the needs of the system.
3. The required pressure: The pump needs to be able to deliver the required pressure to meet the needs of the system.
4. The system head: The pump needs to be able to deliver the required flow rate and pressure against the system head, which is the resistance to flow in the system.
5. The available space: The pump needs to fit in the available space and be easy to install and maintain.
6. The cost: The cost of the pump should be considered, as well as the ongoing maintenance costs.
7. The reliability and durability: It is important to choose a pump that is reliable and durable to minimize downtime and maintenance costs.