Mechanical Operations Which of the following mineral dressing operations is termed as 'comminution'? Spiralling Tabling Panning None of these Spiralling Tabling Panning None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Raw materials are charged in the iron blast furnace using None of these Bucket elevator Skip hoist Screw conveyor None of these Bucket elevator Skip hoist Screw conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sauter mean diameter is the same as the __________ mean diameter. Arithmetic Volume-surface Mass Geometric Arithmetic Volume-surface Mass Geometric ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In closed circuit grinding as compared to open circuit grinding, the Operation is economical Product has lesser size uniformity Specific surface of product is more Production rate at a given limiting size is lower Operation is economical Product has lesser size uniformity Specific surface of product is more Production rate at a given limiting size is lower ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of grinding in a ball mill Its capacity decreases with increasing fineness of the products All of these Grinding cost and power requirement increases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding Its capacity decreases with increasing fineness of the products All of these Grinding cost and power requirement increases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a ball mill, Coarse feed requires a larger ball None of these Fine feed requires a larger ball Operating speed should be more than the critical speed Coarse feed requires a larger ball None of these Fine feed requires a larger ball Operating speed should be more than the critical speed ANSWER DOWNLOAD EXAMIANS APP
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