Mechanical Operations In filtration, the use of 'filter aid' helps in Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure Accelerating the rate of filtration Deplugging the filter medium Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure Accelerating the rate of filtration Deplugging the filter medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator? Copper sulphate Sodium carbonate Cresylic acid Calcium carbonate Copper sulphate Sodium carbonate Cresylic acid Calcium carbonate 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 Separation of cream from milk Concentration of rubber latex Dewaxing of lubricating oil Separation of isotopes based on their density or molecular weights difference Separation of cream from milk Concentration of rubber latex Dewaxing of lubricating oil ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mill is not a revolving mill. Tube Cage Pebble Compartment Tube Cage Pebble Compartment ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration should be stopped in a filter press, if the Liquor stops flowing out to the discharge Filtration pressure rises suddenly Cake becomes very dense Both A & B Liquor stops flowing out to the discharge Filtration pressure rises suddenly Cake becomes very dense Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following size reduction equipments employs mainly attrition for ultrafine grinding? Micronizer All of these Fluid energy mill Jet mills Micronizer All of these Fluid energy mill Jet mills ANSWER DOWNLOAD EXAMIANS APP
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