+1 vote
in Machine Kinematics by (38.0k points)
The size of a gear is usually specified by

(a) pressure angle

(b) circular pitch

(c) diametral pitch

(d) pitch circle diameter

This question was posed to me in a national level competition.

This intriguing question comes from Law of Gearing-1 topic in division Toothed Gearing & Gear Trains of Machine Kinematics

1 Answer

0 votes
by (106k points)
Correct choice is (d) pitch circle diameter

The explanation is: Pitch circle diameter is the diameter of the pitch circle. The size of the gear is usually specified by the pitch circle diameter. It is also known as pitch diameter.

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