Mechanical Operations The grinding in a hammer crusher takes place due to the Both A & B Impact Neither A nor B Attrition Both A & B Impact Neither A nor B Attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be 3.34 Wi Wi 1.34 Wi 0.5 Wi 3.34 Wi Wi 1.34 Wi 0.5 Wi ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the Size Differential wettability Density separation Volatile matter content Size Differential wettability Density separation Volatile matter content ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is used for producing a thick suspension from a thin slurry. Rotary drum vacuum filter Pressure filter thickener Cartridge filter Plate and frame filter press Rotary drum vacuum filter Pressure filter thickener Cartridge filter Plate and frame filter press ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency of a machine ranges between __________ percent. 0.1 to 2 20 to 25 5 to 10 50 to 70 0.1 to 2 20 to 25 5 to 10 50 to 70 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the Decreasing size of product at constant size of feed Decreasing machine capacity Increasing size of feed at constant reduction ratio None of these Decreasing size of product at constant size of feed Decreasing machine capacity Increasing size of feed at constant reduction ratio None of these ANSWER DOWNLOAD EXAMIANS APP
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