Direction of driving & driven wheels rotation if number of idle gears is even - Theory of Machines - 2

Q.  Which of the following statements is/are true for a simple gear train?
- Published on 06 Aug 15

a. If number of idle gears is even, driving and driven wheels rotate in opposite direction
b. If number of idle gears is odd, driving and driven wheels rotate in opposite direction
c. If number of idle gears is even, driving and driven wheels rotate in same direction
d. None of the above

ANSWER: If number of idle gears is even, driving and driven wheels rotate in opposite direction

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