What is the formula to calculate maximum efficiency of a worm gear? – McqOptions

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1.	What is the formula to calculate maximum efficiency of a worm gear?
A.	(1+sinø)/(1-sinø)
B.	(1-sinø)/(1+sinø)
C.	(tan(λ1-ø))/tan λ1
D.	(tan(λ1+ø))/tan λ1
Answer» C. (tan(λ1-ø))/tan λ1

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