Mechanical Operations In case of a ball mill, Fine feed requires a larger ball None of these Coarse feed requires a larger ball Operating speed should be more than the critical speed Fine feed requires a larger ball None of these Coarse feed requires a larger ball Operating speed should be more than the critical speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultracentrifuges running at speeds upto 100000 rpm is normally used for the Separation of isotopes based on their density or molecular weights difference Dewaxing of lubricating oil Concentration of rubber latex Separation of cream from milk Separation of isotopes based on their density or molecular weights difference Dewaxing of lubricating oil Concentration of rubber latex Separation of cream from milk ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wet grinding in a revolving mill __________ as compared to dry grinding. Complicates handling of the product Increases capacity Gives less wear on chamber walls Requires more energy Complicates handling of the product Increases capacity Gives less wear on chamber walls Requires more energy ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aid is used to Decrease the pressure drop Increase the porosity of the cake Act as a support base for the septum Increase the rate of filtration Decrease the pressure drop Increase the porosity of the cake Act as a support base for the septum Increase the rate of filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocal of sphericity is termed as the Specific surface ratio Sauter diameter Surface area per unit mass Shape factor Specific surface ratio Sauter diameter Surface area per unit mass Shape factor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screw conveyors are Suitable for sticky materials Suitable for highly abrasive materials All of these Run at very high rpm Suitable for sticky materials Suitable for highly abrasive materials All of these Run at very high rpm ANSWER DOWNLOAD EXAMIANS APP
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