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 systems, the primary benefit of charging pesticide droplets is:
Options:
(A) Coulombic attraction causes droplets to seek out and coat all plant surfaces, including hidden underside leaves
(B) Droplets evaporate instantly
(C) Droplets become zero mass
(D) No water is required
Answer Key:
A
Step-by-Step Solution & Explanation
Induced electrostatic charge forces droplets along electrostatic flux lines towards earthed plant foliage, reducing drift and chemical waste.