Allied & ICAR Exam Bank • ALLIED_0169 MCQ • 2 Marks

Section 2: Farm Machinery

Farm Machinery

Subtopic: Equipment for precision agriculture

Question Statement:

In a vacuum-disc precision planter, 'cell fill percentage' decreases at high forward speed primarily because:

Options:

  • (A) Seed exposure time in the seed puddle is too short for vacuum to reliably capture seeds
  • (B) Vacuum pressure increases excessively
  • (C) Ground wheel slip becomes negative
  • (D) The cutoff brush creates electrostatic repulsion

Answer Key:

A

Step-by-Step Solution & Explanation

High rotational disc speed reduces the residence time of vacuum holes passing through seed puddle, causing misses.
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