Mechanical Operations Tabular bowl centrifuges as compared to disk bowl centrifuges Can not be operated under pressure/vacuum Can't be used for separation of fine suspended solids from a liquid Operate at higher speed Employ bowl of larger diameter Can not be operated under pressure/vacuum Can't be used for separation of fine suspended solids from a liquid Operate at higher speed Employ bowl of larger diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Additives used for promoting the floccula-tion of particles is a/an Electrolyte Both A & B Surface active agent Neither A nor B Electrolyte Both A & B Surface active agent Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 3 to 4 8 to 10 15 to 20 10 to 15 3 to 4 8 to 10 15 to 20 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration should be stopped in a filter press, if the Filtration pressure rises suddenly Cake becomes very dense Liquor stops flowing out to the discharge Both A & B Filtration pressure rises suddenly Cake becomes very dense Liquor stops flowing out to the discharge Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Width and speed of a conveyor belt depends upon the __________ of the material. Both A & B Neither A nor B Bulk density Lump size Both A & B Neither A nor B Bulk density Lump size 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 Precoat filter Sharpies supercentrifuge Sparkler filter Disc-bowl centrifuge Precoat filter Sharpies supercentrifuge ANSWER DOWNLOAD EXAMIANS APP
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