Mechanical Operations Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called Clarification Classification Sedimentation Decantation Clarification Classification Sedimentation Decantation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The work index in Bond's law for crushing of solids has the following dimensions No units (dimensionless) KW/ton KWh/ton KWh.m1/2/ton No units (dimensionless) KW/ton KWh/ton KWh.m1/2/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding Has less capacity Requires more energy None of these Complicates handling & classification of the product Has less capacity Requires more energy None of these Complicates handling & classification of the product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate does not depend upon the Properties of the cake & the filtrate Resistance of the cake & the septum None of these Pressure drop & area of filtering surface Properties of the cake & the filtrate Resistance of the cake & the septum None of these Pressure drop & area of filtering surface ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A belt conveyor used for the transportation of materials can Travel at a speed upto 300 metres/minute All of these Run upto 1 km Handle materials upto 5000 tons/hr Travel at a speed upto 300 metres/minute All of these Run upto 1 km Handle materials upto 5000 tons/hr ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 8 to 10 15 to 20 3 to 4 10 to 15 8 to 10 15 to 20 3 to 4 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
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