Mechanical Operations Length/diameter ratio of a ball mill is 1.5 > 1 < 1 1 1.5 > 1 < 1 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cartridge filters are termed as 'edge' filters, because of the fact that the None of these Disks have very sharp edge Bulk of the solids are removed at the periphery of the disks Solids are not deposited at the edge of the disk None of these Disks have very sharp edge Bulk of the solids are removed at the periphery of the disks Solids are not deposited at the edge of the disk ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Production rate __________ with increased fineness, with a given energy input to the size reduction machine. Decreases May increase or decrease; depends on the machine Increases Remains unchanged Decreases May increase or decrease; depends on the machine Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Driving force in case of filtration by a centrifuge is the Formation of highly porous cake Narrow diameter of the vessel Centrifugal pressure exerted by the liquid Speed of the centrifuge Formation of highly porous cake Narrow diameter of the vessel Centrifugal pressure exerted by the liquid Speed of the centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. Middling None of these Concentrate Tailing Middling None of these Concentrate Tailing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a non-metalliferous mineral? Fluorspar Calcite Cassiterrite Quartz Fluorspar Calcite Cassiterrite Quartz ANSWER DOWNLOAD EXAMIANS APP
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