Solved Problem on Gear Trains

Submitted by tushar pramanick on Tue, 07/23/2013 - 09:38
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GATE 2013 : Mechanical Engineering

Q. 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

 

Options: (A) 40 (B) 80 (C) 120 (D) 160

 

 

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