The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle) Options: A . &nbspsin (θ + φ) + 1/ cos (θ - φ) + 1 B . &nbspcos (θ - φ) + 1/ sin (θ + φ) + 1 C . &nbspcos (θ + φ) + 1/ cos (θ - φ) + 1 D . &nbspcos (θ - φ) + 1/ cos (θ + φ) + 1

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

Question

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

Options:

A . sin (θ + φ) + 1/ cos (θ - φ) + 1

B . cos (θ - φ) + 1/ sin (θ + φ) + 1

C . cos (θ + φ) + 1/ cos (θ - φ) + 1

D . cos (θ - φ) + 1/ cos (θ + φ) + 1

Answer: Option C

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