Mechanical Operations Colloidal mills are used for __________ grinding. Coarse Ultrafine Fine Intermediate Coarse Ultrafine Fine Intermediate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as Np ∝ NRe Np → constant Np ∝ 1/NRe Np ∝ √NRe Np ∝ NRe Np → constant Np ∝ 1/NRe Np ∝ √NRe ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the screening of the Powdered food & granular materials Heavy tonnages of rocks or gravel Dry chemicals Light metal powder down upto 4 meshsize Powdered food & granular materials Heavy tonnages of rocks or gravel Dry chemicals Light metal powder down upto 4 meshsize 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 Disc bowl centrifuge Batch basket centrifuge Sharpies supercentrifuge Sparkler filter Disc bowl centrifuge Batch basket centrifuge Sharpies supercentrifuge Sparkler filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Apron conveyors are used for Small loads & long runs Heavy loads & short runs Heavy loads & long runs None of these Small loads & long runs Heavy loads & short runs Heavy loads & long runs None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Additives used for promoting the floccula-tion of particles is a/an Neither A nor B Electrolyte Surface active agent Both A & B Neither A nor B Electrolyte Surface active agent Both A & B ANSWER DOWNLOAD EXAMIANS APP