Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Decrease the porosity Increase the compressibility co-efficient Increase the porosity Decrease the compressibility co-efficient Decrease the porosity Increase the compressibility co-efficient Increase the porosity Decrease the compressibility co-efficient ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ are mixed using ribbon blenders. Thick pastes High viscosity liquids Lumpy solids and low viscosity liquids Dry powders Thick pastes High viscosity liquids Lumpy solids and low viscosity liquids Dry powders ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is a cohesive solid. Wheat Sand Wet clay None of these Wheat Sand Wet clay None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Bucket elevators are not suitable for the vertical lifting of __________ materials. Sticky (e.g. clay paste) Free flowing Small lumpy (e.g. grains and sand) Fine (e.g. - 200 mesh size coal) Sticky (e.g. clay paste) Free flowing Small lumpy (e.g. grains and sand) Fine (e.g. - 200 mesh size coal) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the material having minimum Rittinger's number. Quartz Galena Calcite Pyrite Quartz Galena Calcite Pyrite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size ) S . c C/s S/c 1/s . c S . c C/s S/c 1/s . c ANSWER DOWNLOAD EXAMIANS APP