What is the purpose of an idler gear used in gear trains? – McqOptions

MCQOPTIONS

1.	What is the purpose of an idler gear used in gear trains?
A.	To increase the contact area of pulley and belt
B.	To obtain minimum center distance between driving and driven shaft
C.	To obtain maximum center distance between driving and driven shaft
D.	To have required direction of rotation
Answer» E.

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