The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake)__________________? August 22, 2021February 18, 2019 by admin The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake)__________________? A. ∝ ΔP B. ∝ 1/ ΔP C. ∝ √ΔPD. Independent of ΔP