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:
Straw walkers in a conventional combine harvester perform the primary task of:
Options:
(A) Separating loose threshed grains trapped inside the straw mat and conveying straw out the rear
(B) Cutting standing crop stems
(C) Unloading grain from the tank
(D) Shredding corn cobs
Answer Key:
A
Step-by-Step Solution & Explanation
Oscillating stepped straw walkers toss straw upwards, allowing free grains to filter through bottom screen grids onto grain pan.