Mechanical Operations A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is 1 μm/s 22.1 μm/s 0.02 μm/s 0.90 μm/s 1 μm/s 22.1 μm/s 0.02 μm/s 0.90 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For the preliminary breaking of hard rock, we use a Gyratory crusher Tube mill Squirrel-cage disintegrator Ball mill Gyratory crusher Tube mill Squirrel-cage disintegrator Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Disc-bowl centrifuge Precoat filter Sharpies supercentrifuge Sparkler filter Disc-bowl centrifuge Precoat filter Sharpies supercentrifuge Sparkler filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as filter aid? Asbestos Rice husk Diatomaceous earth Purified wood cellulose Asbestos Rice husk Diatomaceous earth Purified wood cellulose ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for compressible sludges is a function of the pressure drop Over medium Over cake None of these Overall Over medium Over cake None of these Overall ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most common filter aid is Silica gel Sodium carbonate Diatomaceous earth Calcium silicate Silica gel Sodium carbonate Diatomaceous earth Calcium silicate ANSWER DOWNLOAD EXAMIANS APP