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When the axes of the first and the last wheels are co-axial, then the train is known as

When the axes of the first and the last wheels are co-axial, then the train is known as Correct Answer reverted gear train

When there is only one gear on each shaft, it is known as simple gear train. When there are more than one gear on a shaft, it is called a compound train of gear. When the axes of the first gear (i.e. first driver) and the last gear (i.e. last driven or follower) are co-axial, then the gear train is known as reverted gear train.

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When the axes of the first and last wheels are coaxial, then the train is known as
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When the axes of the first and last wheels of compound gear coincide, then the train is known as