Allied & ICAR Exam Bank • ALLIED_0346 MCQ • 1 Mark

Section 3: Farm Power

Farm Power

Subtopic: Tractors and Power Tillers

Question Statement:

Ground speed PTO (proportional PTO) differs from standard engine speed PTO because its rotational speed is:

Options:

  • (A) Directly proportional to the forward travel speed of the tractor through gearing connected to the transmission output shaft
  • (B) Directly coupled to the engine crankshaft
  • (C) Always constant at 540 rpm
  • (D) Driven by hydraulic motor only

Answer Key:

A

Step-by-Step Solution & Explanation

Ground speed PTO turns proportional to wheel advance (approx. 1 rev per 0.2 m travel), ensuring precise application in seed drills.
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