Allied & ICAR Exam Bank • ALLIED_0869 MCQ • 1 Mark

Section 3: Farm Power

Farm Power

Subtopic: Tractors and Power Tillers

Question Statement:

The purpose of dynamic water ballasting (filling tires $75\%$ with water/calcium chloride solution) in tractor drive tires is to:

Options:

  • (A) Add low-center-of-gravity weight directly to the drive axle without increasing structural frame stress, increasing traction and reducing wheel slip
  • (B) Cool the tires from inside
  • (C) Increase tractor travel speed
  • (D) Reduce drawbar pull

Answer Key:

A

Step-by-Step Solution & Explanation

Liquid ballast places weight at ground level directly within wheel hubs, maximizing traction without overloading chassis bearings.
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