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? Cresylic acid Copper sulphate Sodium carbonate Calcium carbonate Cresylic acid Copper sulphate Sodium carbonate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, power consumption during laminar flow is not proportional to the Viscosity of the liquid Density of the liquid Square of rotational speed Cube of impeller diameters Viscosity of the liquid Density of the liquid Square of rotational speed Cube of impeller diameters 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 Sharpies supercentrifuge Batch basket centrifuge Sparkler filter Disc bowl centrifuge Sharpies supercentrifuge Batch basket centrifuge Sparkler filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration of water in a paper mill is done by a/an __________ filter. Open sand Plate and frame Sparkler Vacuum leaf Open sand Plate and frame Sparkler Vacuum leaf ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy requirement (per unit mass of material crushed/ground) is highest for Ball mill Fluid energy mill Jaw crusher Rod mill Ball mill Fluid energy mill Jaw crusher Rod mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of asbestos and mica is done by Gyratory crushers Crushing rolls Rod mills Hammer mills Gyratory crushers Crushing rolls Rod mills Hammer mills ANSWER DOWNLOAD EXAMIANS APP
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