Mechanical Operations Which of the following mineral dressing operations is termed as 'comminution'? None of these Panning Tabling Spiralling None of these Panning Tabling Spiralling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The study on washability of coal is done by using the __________ technique. Heavy media separation None of these Tabling Elutriation Heavy media separation None of these Tabling Elutriation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Choke crushing (in case of a Jaw crusher) compared to free crushing Both A and C Consumes less power Results in increased capacity Consumes more power Both A and C Consumes less power Results in increased capacity Consumes more power ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels separate a mixture of particles depending on their Density Electrical & magnetic properties Wettability Size Density Electrical & magnetic properties Wettability Size 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 0.58 0.62 0.68 0.5 0.58 0.62 0.68 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 100 to 300 mm. while the product size is 10 to 50 mm. This is a case of the __________ crushing. Ultrafine Secondary Primary Fine Ultrafine Secondary Primary Fine ANSWER DOWNLOAD EXAMIANS APP
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