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:
In mechanical sugarcane harvesters, the 'basecutter' severs sugarcane stalks at ground level using:
Options:
(A) Twin counter-rotating discs equipped with replaceable cutting blades tilted forward at $10-15^\circ$
(B) A reciprocating sickle bar
(C) High-velocity water jets
(D) A chainsaw loop
Answer Key:
A
Step-by-Step Solution & Explanation
Twin counter-rotating basecutter discs cleanly shear thick sugarcane stools flush with ground level, channeling stalks into the feed train.