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:
Air-assisted (air-blast) orchard sprayers utilize an axial-flow fan primarily to:
Options:
(A) Produce high-volume air streams that carry fine spray droplets into dense tree canopies while shaking leaves
(B) Dry tree foliage after rain
(C) Cool the tractor engine
(D) Blow soil away from tree roots
Answer Key:
A
Step-by-Step Solution & Explanation
Air blast displaces stationary air in the tree canopy with chemical-laden air, turning leaves over for dual-surface coverage.