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:
While harvesting paddy with a self-propelled vertical conveyor reaper with a cutter bar of width 60 cm, the power required for cutting and propelling are measured to be 300 W and 350 W, respectively. If the power required for conveying the cut crop is 50% of the power required for cutting, the power required by the header unit of the vertical conveyor reaper in W will be ______. [answer in integer]
Official Answer Key:
450 to 450
Step-by-Step Solution & Explanation
The header unit of a vertical conveyor reaper comprises the cutting mechanism and the conveying (crop-lifting/conveying belts) mechanism — propulsion power is delivered separately to the ground wheels and is NOT part of the header. Power for conveying = 50% × 300 W = 150 W. Header power = Cutting power + Conveying power = 300 + 150 = 450 W.
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