1.

In an epicyclic gear train, an arm carries two wheels A and B having 24 teeth and 30 teeth respectively. If the arm rotates at 100 rpm in the clockwise direction about the centre of the wheel. A which is fixed, then the speed of wheel on its own axis is _____

A. 20 rpm anticlockwise
B. 25 rpm anticlockwise
C. 180 rpm clockwise
D. 225 rpm clockwise
Answer» D. 225 rpm clockwise


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