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Machine Design
Design Against Static Load
GATE 2007
Easy

A gear set has a pinion with 20 teeth and a gear with 40 teeth. The pinion runs at 30 rev/s and transmits a power of 2 kW. The teeth are on the 20° full-depth system and have a module of 5 mm. The length of the line of action is 19 mm. The center distance for the above gear set in mm is

  • A140
  • 150
  • C160
  • D170

Explanation

Center distance = (T1+T2)/2 × module = (20+40)/2×5 = 150 mm.

Source: GATE ME 2007 (2007)

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