2
Which of the following threshing cylinder is used for producing very fine wheat straw?
EXPLANATION
Size Reduction & Mechanical Expression
- Threshing Cylinders for Fine Straw (Bhusa) Production:
- In Indian agriculture, wheat straw (bhusa) is heavily valued as dairy cattle fodder and must be bruised and crushed into fine pieces.
- The Hammer mill type (or syndicated beater type with serrated concave) threshing cylinder uses high-speed swinging/fixed hammers that pulverize and bruise wheat straw into exceptionally fine fodder.
- Rasp-bar and spike-tooth cylinders thresh grain effectively but produce coarser straw pieces.
- Conclusion: Hammer mill type (Option 2).
Correct option: (2) Hammer mill type
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