Allied & ICAR Exam Bank • ALLIED_1052 MCQ • 1 Mark

Section 2: Farm Machinery

Farm Machinery

Subtopic: Tillage Dynamics

Question Statement:

In a standard disc plough, increasing the disc angle (angle between plane of cutting edge and direction of travel) generally leads to:

Options:

  • (A) Increased width of cut and increased penetration
  • (B) Decreased width of cut and decreased penetration
  • (C) Increased tilt angle without affecting width of cut
  • (D) Zero side draft

Answer Key:

A

Step-by-Step Solution & Explanation

The disc angle typically ranges from $42^\circ$ to $45^\circ$. Increasing the disc angle widens the swath cut per disc and enhances suction/penetration into hard soils.
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