Question:

The angle between centre line of king-pin of tractor and vertical line is called

Show Hint

Caster = Stability. It’s why bicycle forks are tilted forward—it keeps the wheel going straight.
  • Camber angle
  • Toe-in angle
  • Tilt angle
  • Caster angle
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The Correct Option is D

Solution and Explanation


Step 1: Concept

Steering geometry involves several angles that improve handling, stability, and tire wear.

Step 2: Meaning

This specific angle describes the "tilt" of the steering axis when viewed from the side.

Step 3: Analysis

The caster angle is the tilt of the king-pin (the pivot point) from the vertical. Positive caster provides self-centering for the steering, making the tractor easier to drive in a straight line.

Step 4: Conclusion

The described angle is the caster angle.
Final Answer: (D)
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