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, spray droplets are imparted with unipolar electric charge so that they:
Options:
(A) Are attracted to grounded plant leaves by Coulomb electrostatic forces, improving deposition on leaf undersides
(B) Repel plant stems
(C) Evaporate immediately
(D) Ignite pests on contact
Answer Key:
A
Step-by-Step Solution & Explanation
Charged droplets wrap around plant surfaces adhering to rear and undersides through image-charge electrostatic attraction.