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Davis steering gear consists of __________
1. Sliding pairs
2. Turning pairs
3. Rolling pairs
4. Higher pairs

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Correct Answer - Option 1 : Sliding pairs

Explanation:

  • The Davis Steering gear consists of 6 links mechanism and 7 pairs, out of which 4 are turning or revolute pairs and 3 of them sliding pairs.
  • Due to the sliding pair, it has more friction than the turning pair, therefore the Davis Steering Gear wears out earlier and becomes inaccurate after a certain time. Thus Davis steering gear is costly and more difficult to maintain.
  • Davis steering gear fulfills the fundamental equation of correct gearing in all the positions.
  • While an Ackermann steering gear consists of 4 link mechanism and 4 turning pairs only, Ackerman steering gears fulfills the fundamental equation of correct gearing in only three positions.

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