Allied & ICAR Exam Bank • ALLIED_0853 MCQ • 1 Mark

Section 3: Farm Power

Farm Power

Subtopic: Tractors and Power Tillers

Question Statement:

In hydrostatic tractor power steering systems, the 'orbitrol' control valve serves as:

Options:

  • (A) A rotary metering valve and manual backup hand pump that directs pressurized hydraulic fluid to the steering cylinder in direct proportion to steering wheel rotation
  • (B) An automatic brake actuator
  • (C) A gear reducer for the PTO
  • (D) A fuel injector

Answer Key:

A

Step-by-Step Solution & Explanation

The orbitrol valve precisely meters fluid volume per revolution to double-acting steering cylinders, and acts as a manual displacement pump if hydraulic pressure fails.
← Previous (ALLIED_0852) Next (ALLIED_0854) →

Practice In Authentic CBT Exam Interface

Test your skills under authentic timed conditions with live scoring and AIR percentile ranking.

Launch CBT Mock Test