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Which of the above statements are correct?

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+1 vote
in Machine Kinematics by (38.0k points)
Which of the above statements are correct?

(a) 1 and 4

(b) 1 and 2

(c) 2 and 3

(d) 3 and 4

This question was posed to me in an online interview.

This key question is from Standard Spur Gears-1 in division Toothed Gearing & Gear Trains of Machine Kinematics

1 Answer

0 votes
by (106k points)
The correct answer is (a) 1 and 4

Explanation: Commonly used pressure angle is 20^o, spiral gear operation is noisy hence recommended for low speed operation.

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