0 0 votes Two meshing spur gears $1$ and $2$ with diametral pitch of $8$ teeth per mm and an angular velocity ratio $\left|\omega_{2}\right| /\left|\omega_{1}\right|=1 / 4$, have their centers $30 \mathrm{~mm}$ apart. The number of teeth on the driver (gear $1$) is___________. (Answer in integer) Machine Design gateme-2023 gears-and-gear-trains machine-design numerical-answers + – ♦admin 1.0k views answer comment Share Follow Add Sync Questions 0 reply Please log in or register to add a comment.