0 votes 0 votes A pair of spur gears with module $5$ $mm$ and a center distance of $450$ $mm$ is used for a speed reduction of $5:1$. The number of teeth on pinion is _______ Applied Mechanics and Design gateme-2014-set1 numerical-answers applied-mechanics-and-design theory-of-machines gears-and-gear-trains + – Arjun asked Feb 19, 2017 recategorized Mar 4, 2021 by Lakshman Bhaiya ♦Arjun 28.5k points answer See all 0 reply