The Train Value of a Gear Train is

By Mona Kumari|Updated : June 27th, 2022

The train value of a gear train is _____.

  1. Equal to speed ratio of a gear train
  2. Reciprocal of the speed ratio of a gear train
  3. Always greater than unity
  4. Always less than unity

Answer: 2. Reciprocal of the speed ratio of a gear train.

The train value of a gear train is reciprocal to the speed ratio of a gear train.

Solution:

The train value of a gear train is reciprocal to the speed ratio of a gear train. The ratio of the driven or follower's speed to the driver's speed is the train value of a gear train. The speed ratio, on the other hand, is the ratio of the driver's speed to the driven or follower's speed. To put it another way, a gear train's train value is the inverse of the gear train's speed ratio.

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