railway RRB JE (CBT I + CBT II) Mock Test 2024 Engineering Mechanics Equilibrium and Friction Equilibrium
The velocity ratio of Weston’s differential pulley in terms of recesses is :
(Where n1 : No. of recesses on pulley 1 n2 : No. of recesses on pulley 2)
1
\(\frac{n_1}{n_1-n_2}\)
2
\(\frac{2n_1}{n_1-n_2}\)
3
\(\frac{n_2}{n_1-n_2}\)
4
\(\frac{2n_2}{n_1-n_2}\)