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 Differential wettability Size Volatile matter content Density separation Differential wettability Size Volatile matter content Density separation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Choke crushing (in case of a Jaw crusher) compared to free crushing Results in increased capacity Both A and C Consumes less power Consumes more power Results in increased capacity Both A and C Consumes less power Consumes more power ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aid is used to Decrease the pressure drop Act as a support base for the septum Increase the rate of filtration Increase the porosity of the cake Decrease the pressure drop Act as a support base for the septum Increase the rate of filtration Increase the porosity of the cake ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A pebble mill Both B and C Employs flints or ceramic pebbles as the grinding medium Is a ball mill Is a tube mill lined with ceramic or other non-metallic liner Both B and C Employs flints or ceramic pebbles as the grinding medium Is a ball mill Is a tube mill lined with ceramic or other non-metallic liner ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, the Minimum product size is 3 mm Rotor shaft carrying hammers can be vertical or horizontal Feed may be highly abrasive (Moh's scale >5) Maximum feed size may be 50 mm Minimum product size is 3 mm Rotor shaft carrying hammers can be vertical or horizontal Feed may be highly abrasive (Moh's scale >5) Maximum feed size may be 50 mm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Electrical energy consumed by a jaw crusher is not a function of the None of these Machine capacity Average feed size Average product size None of these Machine capacity Average feed size Average product size ANSWER DOWNLOAD EXAMIANS APP