Mechanical Operations Which of the following is a continuous filter? Cartridge filter Shell and leaf filter Plate and frame filter None of these Cartridge filter Shell and leaf filter Plate and frame filter None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator? Cresylic acid Sodium carbonate Copper sulphate Calcium carbonate Cresylic acid Sodium carbonate Copper sulphate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, power consumption during laminar flow is not proportional to the Density of the liquid Square of rotational speed Viscosity of the liquid Cube of impeller diameters Density of the liquid Square of rotational speed Viscosity of the liquid Cube of impeller diameters 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 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 3.6 V.W.Dr/ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) ∝ 1/ ΔP Independent of ΔP ∝ ΔP ∝ √ΔP ∝ 1/ ΔP Independent of ΔP ∝ ΔP ∝ √ΔP ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The reduction ratio for grinders is defined as(where, Df and Dp are average diameters of feed and product respectively). None of these Dp/Df Df/Dp Df - Dp None of these Dp/Df Df/Dp Df - Dp ANSWER DOWNLOAD EXAMIANS APP
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