Mechanical Operations Sedimentation on commercial scale occurs in Thickeners Rotary drum filters Cyclones Classifiers Thickeners Rotary drum filters Cyclones Classifiers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The operating speed of a ball mill should be __________ the critical speed. Much more than At least equal to Less than Slightly more than Much more than At least equal to Less than Slightly more than ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Helical screw agitator is used for Mixing highly viscous pastes None of these Mixing liquids at very high temperature (> 250 °C) Blending immiscible liquids Mixing highly viscous pastes None of these Mixing liquids at very high temperature (> 250 °C) Blending immiscible liquids ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator? Sodium carbonate Calcium carbonate Copper sulphate Cresylic acid Sodium carbonate Calcium carbonate Copper sulphate Cresylic acid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Increase the porosity Decrease the porosity Decrease the compressibility co-efficient Increase the compressibility co-efficient Increase the porosity Decrease the porosity Decrease the compressibility co-efficient Increase the compressibility co-efficient ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fibrous material is broken by a Rollcrusher Ball mill Squirrel-cage disintegrator Tube mill Rollcrusher Ball mill Squirrel-cage disintegrator Tube mill ANSWER DOWNLOAD EXAMIANS APP
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