Mechanical Operations For efficient grinding, ball mills must be operated At a speed less than the critical speed At a speed equal to the critical speed With minimum possible small balls At a speed more than the critical speed At a speed less than the critical speed At a speed equal to the critical speed With minimum possible small balls At a speed more than the critical speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following size reduction equipments employs mainly attrition for ultrafine grinding? All of these Jet mills Fluid energy mill Micronizer All of these Jet mills Fluid energy mill Micronizer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Arrange the following size reduction equipment in the decreasing order of the average particle size produced by each of them. Ball mill, Jaw crusher, Fluid energy mill Fluid energy mill, Jaw crusher, Ball mill Jaw crusher, Ball mill, Fluid energy mill Fluid energy mill, Ball mill, Jaw crusher Ball mill, Jaw crusher, Fluid energy mill Fluid energy mill, Jaw crusher, Ball mill Jaw crusher, Ball mill, Fluid energy mill Fluid energy mill, Ball mill, Jaw crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ribbon blenders are exclusively meant for Non-flowing powder and thin pastes Blending miscible liquids Continuous mixing Bath mixing Non-flowing powder and thin pastes Blending miscible liquids Continuous mixing Bath mixing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Maximum size reduction in a fluid energy mill is achieved by Compression Impact Cutting Interparticle attrition Compression Impact Cutting Interparticle attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Driving force in case of filtration by a centrifuge is the Centrifugal pressure exerted by the liquid Narrow diameter of the vessel Speed of the centrifuge Formation of highly porous cake Centrifugal pressure exerted by the liquid Narrow diameter of the vessel Speed of the centrifuge Formation of highly porous cake ANSWER DOWNLOAD EXAMIANS APP
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