Question

which meathod of separation is used for sepreting small pieces of stones and insects from food grain? ​

Answer 1

The method of hand picking is used to separate undesirable substances such as small pieces of stones from wheat, rice and pulses. The food grains containing small pieces of stones are taken in a flat container. The pieces of stones are picked up from the grains by hands, one by one, and thrown away

Answer 2

Threshing is the most crucial function of a kernel harvester. The threshing process is complicated by grain loss and crop damage.

Explanation:

Threshing is used to separate the seeds from the harvested stalks.

• Hitting the sheaves of crop spread around the threshing floor with a flail or a stick is one of the simplest ways for pigeon pea crop threshing.
• Although this method can be used to thresh other pulse crops such chickpeas, mungbeans, field peas, and lentils, threshing using animals or vehicles is more convenient.
• The threshing-floors on which the sheaves are spread must have a hard, clean surface. Using the hand-threshing method, a worker can get 15-40 kg of produce every hour.