Allied & ICAR Exam Bank • ALLIED_1097 MCQ • 1 Mark

Section 2: Farm Machinery

Farm Machinery

Subtopic: Precision Farming Sensors

Question Statement:

In smart variable-rate pesticide sprayers, ultrasonic sensors mounted on the boom are predominantly used to:

Options:

  • (A) Measure crop canopy height and foliage presence to actuate individual solenoid valves
  • (B) Detect droplet size distribution in real time
  • (C) Measure spray liquid pressure inside the plumbing
  • (D) Detect soil moisture content

Answer Key:

A

Step-by-Step Solution & Explanation

Ultrasonic distance sensors continuously gauge canopy profiles and presence, opening solenoid nozzle valves only when tree/bush canopy is sensed and shutting off over gaps.
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