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 electrostatic spraying of orchard trees, droplets are electrically charged to:
Options:
(A) Promote wraparound deposition on undersides of leaves and reduce drift through electrostatic image forces
(B) Increase evaporation
(C) Neutralize chemical toxicity
(D) Eliminate water
Answer Key:
A
Step-by-Step Solution & Explanation
Charged droplets of identical polarity repel each other, expanding cloud dispersion, while electrostatic attraction pulls them to grounded target leaf undersides.