When the pitch angle is greater than 90⁰, it is called external bevel gear.

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Mr. Dubey

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📊 Design of Machine Elements

Q. When the pitch angle is greater than 90⁰, it is called external bevel gear.

(A) true
(B) internal
(C) helical
(D) herringbone

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✅ Correct Answer: (B) internal

Explanation: for external bevel gear, pitch angle is less than 90⁰.

Explanation by: Mr. Dubey

for external bevel gear, pitch angle is less than 90⁰.

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