Mechanical Operations Filtration rate through a filter cake is proportional to (where, S = filtering surface R = specific cake resistance μ = viscosity of the filtrate) S 1/μ All of these 1/R S 1/μ All of these 1/R 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 Linear speed of the basket is doubled Capacity of centrifuge is increased Centrifugal force is doubled Linear speed of the basket is halved Linear speed of the basket is doubled Capacity of centrifuge is increased ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripherial velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m³ here, V =πN.D where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m) 3.6 V.W.Dr/ρ 3.6 W.Dr.ρ 3.6 V.W.Dr.ρ 3.6 V.W. ρ 3.6 V.W.Dr/ρ 3.6 W.Dr.ρ 3.6 V.W.Dr.ρ 3.6 V.W. ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The constants (Kb, Kr and Kk) used in the laws of crushing (i.e., Bond's law, Rittinger's law and Kick's law) depend upon the Type of crushing machine Feed material Both A & B Neither A nor B Type of crushing machine Feed material Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which is the most suitable conveyor for transportation of sticky material? Belt conveyor Pneumatic conveyor Apron conveyor Screw conveyor Belt conveyor Pneumatic conveyor Apron conveyor Screw conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of __________ crushing. Ultrafine Fine Secondary Primary Ultrafine Fine Secondary Primary ANSWER DOWNLOAD EXAMIANS APP