+1 vote
in Machine Kinematics by (38.0k points)
For an involute gear, the ratio of base circle radius and pitch circle radius is equal to

(a) sinɸ

(b) cosɸ

(c) secɸ

(d) cosecɸ

I had been asked this question in an online quiz.

I would like to ask this question from Comparison Between Involute and Cycloidal Gears in division Toothed Gearing & Gear Trains of Machine Kinematics

1 Answer

0 votes
by (106k points)
The correct choice is (b) cosɸ

Easiest explanation: None

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