Mechanical Operations Ball mills and tube mills with flint or porcelain balls are used for size reduction of Limestone Non-metallic ores Rubber Asbestos Limestone Non-metallic ores Rubber Asbestos ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, the specific power consumption and the production rate is affected by the Neither A nor B Reduction ratio Both A & B Differential roll speed Neither A nor B Reduction ratio Both A & B Differential roll speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The study on washability of coal is done by using the __________ technique. None of these Tabling Heavy media separation Elutriation None of these Tabling Heavy media separation Elutriation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a grinding operation, the limiting particle size is the size of the __________ particle in the sample. Neither A nor B Either A or B Smallest Largest Neither A nor B Either A or B Smallest Largest ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Increase the porosity Decrease the porosity Increase the compressibility co-efficient Decrease the compressibility co-efficient Increase the porosity Decrease the porosity Increase the compressibility co-efficient Decrease the compressibility co-efficient ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To remove very small amount of tiny solid impurities from liquid, we use a Centrifugal filter Coagulant Vacuum filter Pressure filter Centrifugal filter Coagulant Vacuum filter Pressure filter ANSWER DOWNLOAD EXAMIANS APP
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