Allied & ICAR Exam Bank • ALLIED_0208 MCQ • 1 Mark

Section 2: Farm Machinery

Farm Machinery

Subtopic: Equipment for precision agriculture

Question Statement:

Pulse Width Modulation (PWM) nozzle control in precision spraying allows:

Options:

  • (A) Independent control of nozzle flow rate and droplet size without altering system pressure
  • (B) Spraying without pumps
  • (C) 100% elimination of spray liquid
  • (D) Automatic weed identification

Answer Key:

A

Step-by-Step Solution & Explanation

PWM pulses solenoids at 10-50 Hz, adjusting duty cycle to control flow rate without pressure variations that skew droplet size.
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