Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Disc-bowl centrifuge Sparkler filter Precoat filter Sharpies supercentrifuge Disc-bowl centrifuge Sparkler filter Precoat filter Sharpies supercentrifuge 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). Df/Dp Df - Dp Dp/Df None of these Df/Dp Df - Dp Dp/Df None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a surface active agent in a flocculation operation? Lime Quartz Sodium silicate Alumina Lime Quartz Sodium silicate Alumina 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
Mechanical Operations Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'? Flight conveyor Screw conveyor Both B and C Bucket conveyor Flight conveyor Screw conveyor Both B and C Bucket conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ centrifuge is the most suitable for separation of non-friable crystals. Suspended batch basket Tubular bowl Disc-bowl Perforated horizontal basket continuous Suspended batch basket Tubular bowl Disc-bowl Perforated horizontal basket continuous ANSWER DOWNLOAD EXAMIANS APP