GATE AG 2009 • Q58 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:

(Statement for Q.57–58 as above.)

Options:

  • (A) 87
  • (B) 128
  • (C) 157
  • (D) 174

Official Answer Key:

A

Step-by-Step Solution & Explanation

With the rotor geared 1:1 to the ground wheel, the rotor makes one revolution per wheel revolution, releasing seed from all 20 cells during that one revolution while the machine advances by the (skid-adjusted) distance per revolution computed above: 1.745 m. Plant-to-plant spacing = distance per revolution / number of cells = 1.745/20 = 0.0873 m = 87.3 mm ≈ 87 mm, matching option (A). Section 3 — Farm Power

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