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1. |
Calculate the lead angle of the worm gear for maximum efficiency if θ = 90° and the coefficient of friction is 0.05.$ |
A. | 48.21° |
B. | 42.23° |
C. | 43.57° |
D. | 46.43° |
Answer» D. 46.43¬¨¬®‚Äö√†√ª | |