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in Machine Kinematics by (38.0k points)
Which gear train is used for higher velocity ratios in a small space?

(a) Simple gear train

(b) Compound gear train

(c) Reverted gear train

(d) Epicyclic gear train

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by (106k points)
The correct answer is (d) Epicyclic gear train

To explain: The epicyclic gear trains are useful for transmitting high velocity ratios with gears of moderate size in a comparatively lesser space. The epicyclic gear trains are used in the back gear of lathe, differential gears of the automobiles, hoists, pulley blocks, wrist watches etc.

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