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Consider the following statements: In the case of involute gears in contact 1. the motion is one of pure rolling 2. pressure angle does not change during contact 3. velocity ratio does not change 4. output torque of the driven gear changes Which of the above statements are correct?

Consider the following statements: In the case of involute gears in contact 1. the motion is one of pure rolling 2. pressure angle does not change during contact 3. velocity ratio does not change 4. output torque of the driven gear changes Which of the above statements are correct? Correct Answer 2 and 3

In the case of involute gears in contact

  1. The motion is partially sliding and partially rolling.
  2. Pressure angle remains contact during contact.
  3. Velocity ratio does not change.
  4. Output torque remains same for pinion and gear.

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