Mechanical Operations For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume. 25 50 10 75 25 50 10 75 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Feed size of ≥ 25 cms can be accepted by Rod mill Jaw crusher Ball mill Fluid energy mill Rod mill Jaw crusher Ball mill Fluid energy mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wheat is ground into flour in a Fluid energy mill Hammer crusher Impact mill Roller crusher Fluid energy mill Hammer crusher Impact mill Roller crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Concentration ratio None of these Separation efficiency Selectivity index Concentration ratio None of these Separation efficiency Selectivity index ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In constant pressure filtration, Rate of filtration decreases with time Rate of filtration increases with time Rate of filtration is constant Resistance decreases with time Rate of filtration decreases with time Rate of filtration increases with time Rate of filtration is constant Resistance decreases with time ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as Np ∝ 1/NRe Np ∝ √NRe Np → constant Np ∝ NRe Np ∝ 1/NRe Np ∝ √NRe Np → constant Np ∝ NRe ANSWER DOWNLOAD EXAMIANS APP