The design pressure of ____ is applied on pressure type flotation device.
(a) 1kg/cm^2
(b) 2kg/cm^2
(c) 3kg/cm^2
(d) 6kg/cm^2
I got this question in semester exam.
This is a very interesting question from Sludge Thickening, Sludge Dewatering topic in section Sewage Filtration and Activated Sludge Process of Environmental Engineering