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GATE Mechanical Engineering (ME) 2018 Shift 1 Solved Paper

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Question : 38

Total: 65

An epicyclic gear train is shown in the figure below. The number of teeth on the gears A, B and D are 20,30 and 20 , respectively. Gear C has 80 teeth on the inner surface and 100 teeth on the outer surface. If the carrier arm AB is fixed and the sun gear A rotates at 300 rpm in the clockwise direction, then the rpm of D in the clockwise direction is

240
−240
375
−375

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