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:
Hollow cone spray nozzles are preferred over flat fan nozzles for insecticide application because:
Options:
(A) They produce finer droplet spectrum with multi-directional turbulence that penetrates dense foliage
(B) They produce coarse droplets to prevent drift
(C) They operate at lower pressure
(D) They eliminate pump requirements
Answer Key:
A
Step-by-Step Solution & Explanation
Hollow cone nozzles generate small droplets with circular turbulent vortex dispersion, providing thorough coverage of under-leaf surfaces.