The GATE Grind

GATE 2021 AG – Question 15

Farm Machinery · Farm Machinery · 1 mark · Multiple choice

During ploughing with a tractor-mounted mouldboard plough, the three-point-hitch mast should be ______.

  1. Inclined5–20° to horizontal
  2. Nearly vertical
  3. Parallel to tractor travel
  4. Parallel to the rear axle

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Show answer and explanation

Correct answer: (B) Nearly vertical

Explanation

Correctly adjusted working geometry keeps the implement mast **nearly vertical, B**,allowing the links and top link to maintain the intended attitude and force transfer. Parallel-to-ground or axle choices do not describe the normal mast orientation.

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