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 S/c 1/s . c C/s S . c S/c 1/s . c C/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The study on washability of coal is done by using the __________ technique. Tabling Elutriation Heavy media separation None of these Tabling Elutriation Heavy media separation None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a vacuum filter? Tank filter (Nutsch filter) Rotary disc filter Filter press Batch basket centrifuge Tank filter (Nutsch filter) Rotary disc filter Filter press Batch basket centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its Poor grindability High power consumption in grinding Easier grindability None of these Poor grindability High power consumption in grinding Easier grindability None of these 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) 1/R All of these 1/μ S 1/R All of these 1/μ S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Sparkler filter Disc-bowl centrifuge Sharpies supercentrifuge Precoat filter Sparkler filter Disc-bowl centrifuge Sharpies supercentrifuge Precoat filter ANSWER DOWNLOAD EXAMIANS APP
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