Allied & ICAR Exam Bank • ALLIED_0342 MCQ • 1 Mark

Section 3: Farm Power

Farm Power

Subtopic: Tractors and Power Tillers

Question Statement:

Hydrostatic power steering systems on agricultural tractors utilize an orbitrol control valve that:

Options:

  • (A) Meters pressurized hydraulic fluid directly to double-acting steering cylinders proportional to steering wheel rotation without mechanical drag link
  • (B) Operates using vacuum
  • (C) Locks steering permanently
  • (D) Requires no hydraulic pump

Answer Key:

A

Step-by-Step Solution & Explanation

Orbitrol hydrostatic steering eliminates mechanical steering linkages, delivering hydraulic fluid directly to cylinder pistons.
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