Mechanical Operations Gold ore concentration is mostly done using Froth floatation Jigging Elutriation Tabling Froth floatation Jigging Elutriation Tabling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Range of compressibility co-efficient of the commercial compressible cake obtained in filtration operation is 0.1 to 0.3 0.2 to 0.8 0.2 to 0.4 0.01 to 0.1 0.1 to 0.3 0.2 to 0.8 0.2 to 0.4 0.01 to 0.1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.62 0.68 0.58 0.5 0.62 0.68 0.58 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 15 to 20 10 to 15 3 to 4 8 to 10 15 to 20 10 to 15 3 to 4 8 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in drum speed, in a rotary drum filter, the filtration rate Increases Decreases Increases linearly Is not affected Increases Decreases Increases linearly Is not affected ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. 35 85 50 70 35 85 50 70 ANSWER DOWNLOAD EXAMIANS APP
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