Question

advantages and disadvantages of winnowing machines. compare winnowing machine with manual winnowing​

Answer 1

Answer:

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Explanation:

advantage

. Less cost in production- By the use of winnowing, farmers no need to buy machines to separate grain from chaff. 2. Easier to teach- This method doesn't require high level skills, it can be practice by anyone.

disadvantage

Winnowing is defined as a method in which heavier components of the mixture are separated from the lighter substances with the help of wind but this process does not work for materials heavier than grains like stones.

the usage of winnowing machines are easier and less time consuming compared to doing it manually with hand

Answer 2

Explanation:

Winnowing machine may be defined as a machine that is used by the farmers and may be defined as A machine that seperates the grains and chaffs by the help of fuel placed in it it is called the winnowing machine.

But,

Manual winnowing is done when the farmer stands at a higher level with winnowing basket and let it fall on the ground and finally the grains and chaff are seperated with the help of wind.

Compare to Manual winnowing, Winnowing machine is useful .As manual winnowing contains wind that come sometimes and not much wind that all of the grains and chaffs flew away.

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