In an epicyclic gear train, the sun gear on the input shaft is 20 tee – McqOptions

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1.	In an epicyclic gear train, the sun gear on the input shaft is 20 teeth external gear. The planet gear is a 40 teeth external gear and the ring gear is a 100 teeth internal gear. The ring gear is fixed and the sun gear is rotating at 60 rpm counter clockwise. The arm attached to output shaft will rotate at ________
A.	5 rpm
B.	10 rpm
C.	20 rpm
D.	30 rpm
Answer» C. 20 rpm

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