Theory of Machines Test Questions

Q.  Which formula is used to calculate maximum efficiency of worm gear?

a. tan δ / tan ( δ + Φ)
b. (1 – sin Φ) / ( 1 + sin Φ)
c. tan ( δ + Φ) / tan δ
d. (1 + sin Φ) / ( 1 – sin Φ)


ANSWER: See Answer
 
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