Mechanical Operations Filtration should be stopped in a filter press, if the 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 Liquor stops flowing out to the discharge Filtration pressure rises suddenly ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wet grinding in a revolving mill __________ as compared to dry grinding. Increases capacity Gives less wear on chamber walls Complicates handling of the product Requires more energy Increases capacity Gives less wear on chamber walls Complicates handling of the product Requires more energy ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pine oil used in froth floatation technique acts as a/an Frother Collector Modifier Activator Frother Collector Modifier Activator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency of a machine ranges between __________ percent. 0.1 to 2 5 to 10 50 to 70 20 to 25 0.1 to 2 5 to 10 50 to 70 20 to 25 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? ∞ 1 0.5 ∞ 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Driving force in case of filtration by a centrifuge is the Formation of highly porous cake Speed of the centrifuge Centrifugal pressure exerted by the liquid Narrow diameter of the vessel Formation of highly porous cake Speed of the centrifuge Centrifugal pressure exerted by the liquid Narrow diameter of the vessel ANSWER DOWNLOAD EXAMIANS APP
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