Mechanical Operations For spheres, the specific surface shape factor is given by AD/V A/V √(AD/V) D/V AD/V A/V √(AD/V) D/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Feed size of ≥ 25 cms can be accepted by Jaw crusher Fluid energy mill Rod mill Ball mill Jaw crusher Fluid energy mill Rod mill Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding efficiency of a ball mill is of the order of __________ percent. 90-95 40-50 43835 75-80 90-95 40-50 43835 75-80 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a sphere falling in the constant drag co-efficient regime, its terminal velocity depends on its diameter (d) as D 1/d √d D² D 1/d √d D² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding None of these Requires more energy Has less capacity Complicates handling & classification of the product None of these Requires more energy Has less capacity Complicates handling & classification of the product 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 Copper sulphate Calcium carbonate Sodium carbonate Cresylic acid Copper sulphate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS