engineering recuitment BEL Probationary Engineers Mock Test 2025 Theory of Machines Gear Trains Compound Gear Train
A compound gear train with gears P, Q, R and S has number of teeth 20, 40, 15 and 20, respectively. Gears Q and R are mounted on the same shaft as shown in the figure below. The diameter of the gear Q is twice that of the gear R. If the module of the gear R is 2 mm, the center distance in mm between gears P and S is
1
40
2
80
3
120
4
160