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Theory of machines

Theory of machines - Engineering

Theory of machines - Section 1
Theory of machines - Section 2
Theory of machines - Section 3
Theory of machines - Section 4
Theory of machines - Section 5
Theory of machines - Section 6
Theory of machines - Section 7
Theory of machines - Section 8
Theory of machines - Section 9
Theory of machines - Section 10

The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle)

A

B

C

D

ANS:C -

Explanation: No answer description is available.

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