Mechanical Operations Froth floatation is the most suitable for treating Iron ores None of these Sulphide ores Quartzite Iron ores None of these Sulphide ores Quartzite 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 Filtration rate does not depend upon the 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 Properties of the cake & the filtrate Resistance of the cake & the septum ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a continuous filter? Cartridge filter None of these Shell and leaf filter Plate and frame filter Cartridge filter None of these Shell and leaf filter Plate and frame filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To remove very small amount of tiny solid impurities from liquid, we use a Vacuum filter Pressure filter Coagulant Centrifugal filter Vacuum filter Pressure filter Coagulant Centrifugal filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 1.34 1 4.34 0.5 1.34 1 4.34 0.5 ANSWER DOWNLOAD EXAMIANS APP