Question Bank • QB_FM_100 MCQ • 1 Mark

Section 2: Farm Machinery

Farm Machinery

Subtopic: Soil tillage

Question Statement:

In primary tillage using a moldboard plow, vertical suction (clearance under share gunnel) is provided primarily to:

Options:

  • (A) Maintain uniform width of cut
  • (B) Enable the plow to penetrate the soil to its proper depth
  • (C) Reduce the friction along the landside
  • (D) Prevent scouring of the moldboard face

Answer Key:

B

Step-by-Step Solution & Explanation

Vertical suction (vertical clearance at the share point) pulls the plow bottom into the ground, ensuring proper depth penetration. Horizontal suction (clearance towards the unplowed land) maintains uniform width of cut.
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