Mechanical Operations Which of the following is not a wet classifier? None of these Sharpies supercentrifuge Dorr Oliver rake classifier Hydrocyclones None of these Sharpies supercentrifuge Dorr Oliver rake classifier Hydrocyclones ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a classifier in 'tons of solid/hr' is given by (where, A = cross-sectional area, m² V = rising velocity of fluid, m/sec.S = percentage of solids in the suspension by volume.ρ = density of solids, kg/m³) 3.6 AVS.ρ 3.6 AVS/ρ 3.6 A.V.ρ 3.6 A.S. ρ 3.6 AVS.ρ 3.6 AVS/ρ 3.6 A.V.ρ 3.6 A.S. ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In washing type plate and frame filter press, the ratio of washing rate to the final filtrate rate is 1 1/2 4 1/4 1 1/2 4 1/4 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of 'grinding aids' is done in __________ grinding. Intermediate Dry Ultrafine Wet Intermediate Dry Ultrafine Wet ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a non-spherical particle, the sphericity Is always less than 1 Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle Has the dimension of length Is always less than 1 Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle Has the dimension of length ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Froth floatation is the most suitable for treating Quartzite None of these Iron ores Sulphide ores Quartzite None of these Iron ores Sulphide ores ANSWER DOWNLOAD EXAMIANS APP
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