Question:

The percentage of un-threshed grains from all outlets with respect to total grain input in the thresher by weight is called

Show Hint

Cylinder loss indicates un-threshed grain loss due to incomplete threshing action.
  • Cylinder loss
  • Blower loss
  • Sieve loss
  • Visible damage loss
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The Correct Option is A

Solution and Explanation

Concept:
Threshing performance is evaluated by different losses such as cylinder loss, blower loss, sieve loss and grain damage.

Step 1:
Un-threshed grains are grains that remain attached to the ear head or panicle after threshing.

Step 2:
These grains indicate incomplete threshing.

Step 3:
Incomplete threshing is mainly associated with the threshing cylinder.

Step 4:
Therefore, the percentage of un-threshed grains from all outlets with respect to total grain input is called cylinder loss. \[ \boxed{\text{Cylinder loss}} \]
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