Allied & ICAR Exam Bank • ALLIED_0200 MCQ • 1 Mark

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:

Spray drift increases significantly when droplet diameter drops below approximately:

Options:

  • (A) $100 - 150\,\mu\text{m}$
  • (B) $500 - 600\,\mu\text{m}$
  • (C) $1000\,\mu\text{m}$
  • (D) $2000\,\mu\text{m}$

Answer Key:

A

Step-by-Step Solution & Explanation

Droplets smaller than $150\,\mu\text{m}$ have very low settling velocity and drift readily with ambient wind.
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