Question 6 A Weston s diffrential pulley block has 12 cogs

Last updated: 6/14/2023

Question 6 A Weston s diffrential pulley block has 12 cogs on smaller pulley and 13 cogs on bigger pulley On this machine a load of 7 8 KN is lifted by an effort of 750 N Calculate efficiency of machine at this load 80 20 30