Subtopic: Functional requirements, principles of working, construction and operation of manual, animal, tractor and renewable energy operated equipment for tillage, sowing, planting, fertilizer application, inter-cultivation, spraying, mowing, chaff cutting, harvesting and threshing
Question Statement:
The optimum peripheral speed of a rasp-bar threshing cylinder for threshing wheat crop is in the range of:
Options:
(A) $28 - 32\text{ m/s}$
(B) $12 - 15\text{ m/s}$
(C) $45 - 55\text{ m/s}$
(D) $5 - 8\text{ m/s}$
Answer Key:
A
Step-by-Step Solution & Explanation
Wheat threshing requires $28-32\text{ m/s}$ cylinder peripheral speed ($800-1000\text{ rpm}$ for a $60\text{ cm}$ drum).