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. None of these Middling Concentrate Tailing None of these Middling Concentrate Tailing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Moore filter is a __________ filter. Leaf Rotary Sand Press Leaf Rotary Sand Press ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.3 0.014 50 0.007 0.3 0.014 50 0.007 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding Requires more energy Complicates handling & classification of the product None of these Has less capacity Requires more energy Complicates handling & classification of the product None of these Has less capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Solid particles of different densities are separated by Filters Cyclones Sorting classifier Thickness Filters Cyclones Sorting classifier Thickness ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gold ore concentration is mostly done using Elutriation Jigging Froth floatation Tabling Elutriation Jigging Froth floatation Tabling ANSWER DOWNLOAD EXAMIANS APP