The crushed stone output from a 24- by 36-in. jaw crusher, with a closed setting of 24 in., is passed over the 2- and the I-in. openings of a vibrating screen. The permissible efficiency is 85%. The stone has a unit weight of 108 Ib/cf when crushed. Determine the minimum-size screen, in square feet, required to handle the crusher output.
If the screening unit is 3
feet wide, what will be the nominal screen sizes? Screen lengths should be in integer dimensions of feet.