Mechanical Operations For efficient grinding, ball mills must be operated At a speed less than the critical speed With minimum possible small balls At a speed more than the critical speed At a speed equal to the critical speed At a speed less than the critical speed With minimum possible small balls At a speed more than the critical speed At a speed equal to the critical speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 100 to 300 mm. while the product size is 10 to 50 mm. This is a case of the __________ crushing. Secondary Primary Fine Ultrafine Secondary Primary Fine Ultrafine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Solid particles separation based on the difference in their flow velocities through fluids is termed as the Sedimentation Elutriation Clarification Classification Sedimentation Elutriation Clarification Classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The process by which fine solids is removed from liquids is termed as Sedimentation Classification Decantation Flocculation Sedimentation Classification Decantation Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate does not depend upon the Pressure drop & area of filtering surface None of these Resistance of the cake & the septum Properties of the cake & the filtrate Pressure drop & area of filtering surface None of these Resistance of the cake & the septum Properties of the cake & the filtrate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a filter medium in case of corrosive liquids? Cotton fabric Nylon Glass cloth Metal cloth of monel or stainless steel Cotton fabric Nylon Glass cloth Metal cloth of monel or stainless steel ANSWER DOWNLOAD EXAMIANS APP
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