Mechanical Operations Additives used for promoting the floccula-tion of particles is a/an Neither A nor B Surface active agent Electrolyte Both A & B Neither A nor B Surface active agent Electrolyte Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Stamp mills are generally used for crushing Iron ores Gold ores Talc Diamond Iron ores Gold ores Talc Diamond ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a surface active agent in a flocculation operation? Quartz Sodium silicate Alumina Lime Quartz Sodium silicate Alumina Lime ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to The change in volume due to crushing None of these The new surface created The size reduction ratio The change in volume due to crushing None of these The new surface created The size reduction ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A propeller agitator Is used for mixing high viscosity pastes Runs at very slow speed (2 rpm) Produces mainly axial flow All of these Is used for mixing high viscosity pastes Runs at very slow speed (2 rpm) Produces mainly axial flow All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Centrifugal force is doubled Capacity of centrifuge is increased Linear speed of the basket is doubled Linear speed of the basket is halved Centrifugal force is doubled Capacity of centrifuge is increased Linear speed of the basket is doubled Linear speed of the basket is halved ANSWER DOWNLOAD EXAMIANS APP
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