Allied & ICAR Exam Bank • ALLIED_2801 MCQ • 1 Mark

Section 2: Farm Machinery

Machine Design

Subtopic: Overload safety devices used in farm machinery

Question Statement:

Why are overrunning clutches installed in PTO drives of rotary mowers and forage harvesters?

Options:

  • (A) To prevent the rotating momentum of the heavy implement rotor from driving the tractor forward when the tractor clutch is depressed
  • (B) To increase operating cutting speed
  • (C) To balance the implement sideways
  • (D) To reduce cutting blade wear

Answer Key:

A

Step-by-Step Solution & Explanation

High kinetic energy stored in the implement rotor can push the tractor through the PTO shaft; overrunning clutch disengages drive when tractor decelerates.
← Previous (ALLIED_2800) Next (ALLIED_2802) →

Practice In Authentic CBT Exam Interface

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

Launch CBT Mock Test