Mechanical Operations The porosity of a compressible cake is Same throughout the thickness of cake Minimum at the upstream face Maximum at the filter medium Minimum at the filter medium Same throughout the thickness of cake Minimum at the upstream face Maximum at the filter medium Minimum at the filter medium 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 The mechanism of size reduction by a hammer mill is by impact and attrition between the Both A & B Grinding element & the housing Neither A nor B Feed particles Both A & B Grinding element & the housing Neither A nor B Feed particles ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 8 to 10 10 to 15 15 to 20 3 to 4 8 to 10 10 to 15 15 to 20 3 to 4 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh. 0.5 to 1.5 4 to 5 2 to 3.5 0.01 to 0.1 0.5 to 1.5 4 to 5 2 to 3.5 0.01 to 0.1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tube mill compared to ball mill Produces finer products Uses smaller balls Is long in comparison with its diameter All of these Produces finer products Uses smaller balls Is long in comparison with its diameter All of these ANSWER DOWNLOAD EXAMIANS APP