Question

Define winnowing . What is the principal of using winnowing as a method of separating ?

Answer 1

Answer:

Principle of Winnowing. Winnowing is based on the fact that if mixture is containing two components and one is lighter than another one, then both the components can be separated by blow of air. Mixture is allowed to fall from a height. Lighter component gets separated from heavier component due to wind.

Answer 2

Answer:

The process of separating chaff from grains using wind is called winnowing.

1. Traditional method

2. Modern method