Mechanical Operations Sedimentation on commercial scale occurs in Cyclones Rotary drum filters Classifiers Thickeners Cyclones Rotary drum filters Classifiers Thickeners ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Specific surface area is the surface area of a unit __________ of materials. Either A or B Weight Neither A nor B Volume Either A or B Weight Neither A nor B Volume ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The main differentiation factor between tube mill and ball mill is the Final product size Length to diameter ratio Operating speed Size of the grinding media Final product size Length to diameter ratio Operating speed Size of the grinding media ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rod mills employed for grinding All of these Employ a steel shell having L/D ratio of 1.5 to 3.0 Is useful for handling sticky materials Employ steel rods of 2-12 cms diameter extending over full length of the mill All of these Employ a steel shell having L/D ratio of 1.5 to 3.0 Is useful for handling sticky materials Employ steel rods of 2-12 cms diameter extending over full length of the mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh. 2 to 3.5 0.5 to 1.5 0.01 to 0.1 4 to 5 2 to 3.5 0.5 to 1.5 0.01 to 0.1 4 to 5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Centrifugal force is doubled Linear speed of the basket is halved Capacity of centrifuge is increased Linear speed of the basket is doubled Centrifugal force is doubled Linear speed of the basket is halved Capacity of centrifuge is increased Linear speed of the basket is doubled ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS