Multiple choice general knowledge science & technology

In involute gears pressure angle

  1. remains constant

  2. increases

  3. decreases

  4. varies exponentially
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A Correct answer
Explanation

In involute gear systems, the pressure angle remains constant throughout the meshing action. This is a fundamental property of involute profiles - the angle between the line of action (common normal) and the velocity vector stays consistent, ensuring smooth power transmission and maintaining the force direction.

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