Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. None of these Separation efficiency Concentration ratio Selectivity index None of these Separation efficiency Concentration ratio Selectivity index 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 0.5 0.62 0.68 0.58 0.5 0.62 0.68 0.58 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a non-metalliferous mineral? Calcite Fluorspar Cassiterrite Quartz Calcite Fluorspar Cassiterrite Quartz ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately __________ microns. 5 50 500 5000 5 50 500 5000 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding None of these Complicates handling & classification of the product Has less capacity Requires more energy None of these Complicates handling & classification of the product Has less capacity Requires more energy ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sauter mean diameter is the same as the __________ mean diameter. Geometric Volume-surface Arithmetic Mass Geometric Volume-surface Arithmetic Mass ANSWER DOWNLOAD EXAMIANS APP
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