Mechanical Operations For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the __________ filter. Rotary vacuum Plate & frame Shell & leaf Sand Rotary vacuum Plate & frame Shell & leaf Sand ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration capacity of a rotary drum vacuum filter depends upon the Cake thickness Neither A nor B Characteristics of the feed slurry Both A & B Cake thickness Neither A nor B Characteristics of the feed slurry Both A & B 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 ) C/s S . c 1/s . c S/c C/s S . c 1/s . c S/c ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate through a filter cake is proportional to (where, S = filtering surface R = specific cake resistance μ = viscosity of the filtrate) S All of these 1/μ 1/R S All of these 1/μ 1/R ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vertical transportation of materials can be done by a/an Both B & C Apron conveyor Bucket elevator Pneumatic conveyor Both B & C Apron conveyor Bucket elevator Pneumatic conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most common filter aid is Diatomaceous earth Sodium carbonate Silica gel Calcium silicate Diatomaceous earth Sodium carbonate Silica gel Calcium silicate ANSWER DOWNLOAD EXAMIANS APP