Question

For a pair of gears in mesh, pressure angle and module must be different to satisfy the condition of interchangeability and correct gearing.

(a) True

(b) False

I got this question by my school teacher while I was bunking the class.

Asked question is from Standard Spur Gears-1 in section Toothed Gearing & Gear Trains of Machine Kinematics

Answer 1

The correct answer is (b) False

For explanation I would say: For a pair of gears in mesh, pressure angle and module must be same to satisfy the condition of interchangeability and correct gearing.