Mechanical Operations Which of the follwoing mechanical conveyors does not come under the division 'scrapers'? Ribbon conveyor Drag conveyor Bucket elevators Flight conveyor Ribbon conveyor Drag conveyor Bucket elevators Flight conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For efficient grinding, ball mills must be operated At a speed more than the critical speed At a speed less than the critical speed With minimum possible small balls At a speed equal to the critical speed At a speed more than the critical speed At a speed less than the critical speed With minimum possible small balls At a speed equal to the critical speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following oxides is not present in hematite iron ore? Cobalt oxide Titanium oxide Calcium oxide Manganese oxide Cobalt oxide Titanium oxide Calcium oxide Manganese oxide ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations All resistances during washing of cake Remain constant Increases None of these Decreases Remain constant Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Maximum size reduction in a ball mill is done by the, __________ action. Impact Cutting Compression Attrition Impact Cutting Compression Attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the capacity of screens, the screen effectiveness Remains unchanged Decreases Increases Decreases exponentially Remains unchanged Decreases Increases Decreases exponentially ANSWER DOWNLOAD EXAMIANS APP
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