Interference between the teeth of two meshing involute gears can be reduced or eliminated by
1. Increasing the addendum of the gear teeth and corresponding reducing the addendum of the pinion.
2. Reducing the pressure angle of the teeth of the meshing gears.
Which of the statements given above is/are correct?
1
Both 1 and 2
2
Neither 1 nor 2
3
Only 1
4
Only 2