Allied & ICAR Exam Bank • ALLIED_2890MSQ • 2 Marks
Section 2: Farm Machinery
Farm Machinery
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:
Which of the following operational parameters directly influence spray drift from agricultural booms?
Options:
(A) Wind velocity and ambient air temperature
(B) Boom height above crop canopy
(C) Droplet size spectrum (proportion of droplets lt; 100\,\mu\text{m}$)
(D) Operating hydraulic spray pressure
Answer Key:
A, B, C, D
Step-by-Step Solution & Explanation
High wind, high boom height, fine droplets from high pressure, and high temperature/low humidity all exacerbate spray drift.