Question

1. List any two methods that can be used to enhance the life of different machines.

2. Define evaporation. How is this method useful in our daily life. (Any 1 use)​

Answer 1

Answer:

1. Taking care of machines : Some of the ways in which machines should be cared for are given below. 1. Machines should be kept in a clean environment, which is free from dust and moisture. 2. When not in use, machines should be kept covered to prevent collection of dust on them. 3. Machines made of iron should be protected from rust by coating them with paint. 4. The moving parts of a machine should be regularly oiled with a good-quality machine oil to reduce friction and wear and tear.Read more on Sarthaks.com - https://www.sarthaks.com/173797/mention-any-two-methods-by-which-we-can-take-care-of-machines

2.One of the most common real-life examples of evaporation is drying of clothes under the sun. When the wet clothes are put under the sun, they get heated up resulting in the evaporation of water particles present in wet clothes; making the clothes dry.