Mechanical Operations Crushing efficiency of a machine ranges between __________ percent. 0.1 to 2 50 to 70 20 to 25 5 to 10 0.1 to 2 50 to 70 20 to 25 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the specific surface shape factor is given by AD/V D/V A/V √(AD/V) AD/V D/V A/V √(AD/V) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Close circuit grinding by a ball mill with air sweeping employs a Cyclone separator between mill & classifier Both A & B Classifier Neither A nor B Cyclone separator between mill & classifier Both A & B Classifier Neither A nor B 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 Copper sulphate Calcium carbonate Cresylic acid Sodium carbonate Copper sulphate Calcium carbonate Cresylic acid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ conveyors are also called scrapers. Helical flight Apron Both B & C Screw Helical flight Apron Both B & C Screw ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration. Varying rate Constant pressure Constant rate Varying pressure Varying rate Constant pressure Constant rate Varying pressure ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS