In gears, interference takes place whe? – McqOptions

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1.	In gears, interference takes place whe?
A.	The tip of a tooth of a mating gear digs into the portion between base and root circles
B.	Gears do not move smoothly in the absence of lubrication
C.	Pitch of the gear is not same
D.	gear teeth are undercut
Answer» B. Gears do not move smoothly in the absence of lubrication

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