Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) ∝ √ΔP ∝ ΔP Independent of ΔP ∝ 1/ ΔP ∝ √ΔP ∝ ΔP Independent of ΔP ∝ 1/ ΔP ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of __________ is accomplished in steam heated rollers and roll crushers. Gums Resins Hard rubber Waxes Gums Resins Hard rubber Waxes ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The work index in Bond's law for crushing of solids has the following dimensions KW/ton No units (dimensionless) KWh/ton KWh.m1/2/ton KW/ton No units (dimensionless) KWh/ton KWh.m1/2/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a coarse crusher? Toothed roll crusher Gyratory crusher Smooth roll crusher Tube mill Toothed roll crusher Gyratory crusher Smooth roll crusher Tube mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a Sharpies supercentrifuge Batch basket centrifuge Sparkler filter Disc bowl centrifuge Sharpies supercentrifuge Batch basket centrifuge Sparkler filter Disc bowl centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tube mill compared to ball mill All of these Produces finer products Uses smaller balls Is long in comparison with its diameter All of these Produces finer products Uses smaller balls Is long in comparison with its diameter ANSWER DOWNLOAD EXAMIANS APP