Mechanical Operations A propeller agitator Runs at very slow speed (2 rpm) Produces mainly axial flow All of these Is used for mixing high viscosity pastes Runs at very slow speed (2 rpm) Produces mainly axial flow All of these Is used for mixing high viscosity pastes ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a surface active agent in a flocculation operation? Sodium silicate Quartz Lime Alumina Sodium silicate Quartz Lime Alumina ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy requirement (per unit mass of material crushed/ground) is highest for Jaw crusher Fluid energy mill Ball mill Rod mill Jaw crusher Fluid energy mill Ball mill Rod mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Ultrafine Fine Secondary Primary Ultrafine Fine Secondary Primary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For sizing of fine materials, the most suitable equipment is a Shaking screen Grizzly Trommel Vibrating screen Shaking screen Grizzly Trommel Vibrating screen 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. ρ 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 ANSWER DOWNLOAD EXAMIANS APP
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