Mechanical Operations The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 μrn is 9.0 kWh/ton 18 kWh/ton 25.4 kWh/ton 6.35 kWh/ton 9.0 kWh/ton 18 kWh/ton 25.4 kWh/ton 6.35 kWh/ton 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? Cresylic acid Copper sulphate Sodium carbonate Calcium carbonate Cresylic acid Copper sulphate Sodium carbonate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Traces of solids are removed from, liquid in a Sparkler filter Classifier Rotary vacuum filter Clarifier Sparkler filter Classifier Rotary vacuum filter Clarifier ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For the transportation of ultrafine particles, the equipment used is a........conveyor. Belt Screw Pneumatic None of these Belt Screw Pneumatic None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fluid medium used in the classification technique of mineral beneficiation is Water Neither A nor B Both A & B Air Water Neither A nor B Both A & B Air ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 1 0.5 0.66 2.76 1 0.5 0.66 2.76 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS