Physics, asked by aafreenkhan18, 1 year ago

what is a winnowing
explain it

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Answered by Anonymous
3
Hey ✌️

ANS:--

Winnowing means Separating Grains from chaff and stalks of plant residues after harvesting by using Air Energy.

Air can be provided by Fans, Blowers.
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Answered by deepakdeepthi
1
blow a current of air through (grain) in order to remove the chaff.

Wind winnowing is an agricultural method developed by ancient cultures for separating grain from chaff. It is also used to remove hay and chaff or other pests from stored grain. Threshing, the loosening of grain or seeds from the husks and straw, is the step in the chaff-removal process that comes before winnowing.

In its simplest form it involves throwing the mixture into the air so that the wind blows away the lighter chaff, while the heavier grains fall back down for recovery. Techniques included using a winnowing fan (a shaped basket shaken to raise the chaff) or using a tool (a winnowing fork or shovel) on a pile of harvested grain.



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