+1 vote
in Machine Kinematics by (38.0k points)
The contact ratio for gears is

(a) zero

(b) less than one

(c) greater than one

(d) none of the mentioned

I have been asked this question in an interview.

My question is from Toothed Gearing topic in chapter Toothed Gearing & Gear Trains of Machine Kinematics

1 Answer

0 votes
by (106k points)
Right option is (c) greater than one

For explanation I would say: The theoretical minimum value for the contact ratio is one, that is there must always be at least one pair of teeth in contact for continuous action.

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