Which of the following are true for worm gears?
(a) Worm is in the shape of threaded screw
(b) Threads on the worm have small lead
(c) Worm imposes high thrust loads
(d) Characterised by low speed reduction ratio
I need explanation for this question from by my college director while I was bunking the class.
This advanced question is from the Gears section in section Rolling Contact Bearings, Spur Gears and Helical Gears of Machine Design