Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding None of these Has less capacity Complicates handling & classification of the product Requires more energy None of these Has less capacity Complicates handling & classification of the product Requires more energy 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 Cresylic acid Calcium carbonate Copper sulphate Sodium carbonate Cresylic acid Calcium carbonate Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Solid particles separation based on the difference in their flow velocities through fluids is termed as the Classification Elutriation Clarification Sedimentation Classification Elutriation Clarification Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Capacity of flight conveyor in tons/hr is given by (where, W & D = width and depth of flight respectively in metre V = speed of the conveyor, metre/second ρ = bulk density of material, kg/m³) 3.6 W.D.V. 3.6 D.V.ρ 3.6 W.D.V.ρ 3.6 W.V.ρ 3.6 W.D.V. 3.6 D.V.ρ 3.6 W.D.V.ρ 3.6 W.V.ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Secondary Ultrafine Fine Primary Secondary Ultrafine Fine Primary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Moisture can be removed from lubricating oil using Tubular centrifuge Clarifier Sparkler filter Vacuum leaf filter Tubular centrifuge Clarifier Sparkler filter Vacuum leaf filter ANSWER DOWNLOAD EXAMIANS APP
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