Mechanical Operations Bucket elevators are not suitable for the vertical lifting of __________ materials. Small lumpy (e.g. grains and sand) Sticky (e.g. clay paste) Fine (e.g. - 200 mesh size coal) Free flowing Small lumpy (e.g. grains and sand) Sticky (e.g. clay paste) Fine (e.g. - 200 mesh size coal) Free flowing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Traces of liquid tar fog present in coke oven gas is separated using Electrostatic precipitator None of these Cyclone separator Strainer Electrostatic precipitator None of these Cyclone separator Strainer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's crushing law states that Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product Work required in crushing is proportional to the new surface created Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product Work required in crushing is proportional to the new surface created Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product For a given machine and feed, crushing efficiency is dependent on the size of the feed & product 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 A.S. ρ 3.6 AVS.ρ 3.6 A.V.ρ 3.6 AVS/ρ 3.6 A.S. ρ 3.6 AVS.ρ 3.6 A.V.ρ 3.6 AVS/ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Compressibility co-efficient for an absolutely compressible cake is 1 ∞ 0 to 1 1 ∞ 0 to 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not categorised as a "mechanical operation"? Humidification Agitation Size enlargement Filtration Humidification Agitation Size enlargement Filtration ANSWER DOWNLOAD EXAMIANS APP