Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 0.5-2 1.33-1.45 0.33-0.45 1.5-2.5 0.5-2 1.33-1.45 0.33-0.45 1.5-2.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the capacity of screens, the screen effectiveness Remains unchanged Decreases exponentially Decreases Increases Remains unchanged Decreases exponentially Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the Electro-static precipitator Venturi atomiser Cyclone separator Gravity settling chamber Electro-static precipitator Venturi atomiser Cyclone separator Gravity settling chamber ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Electrical energy consumed by a jaw crusher is not a function of the Average product size None of these Average feed size Machine capacity Average product size None of these Average feed size Machine capacity 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
Mechanical Operations Which of the following oxides is not present in hematite iron ore? Calcium oxide Manganese oxide Cobalt oxide Titanium oxide Calcium oxide Manganese oxide Cobalt oxide Titanium oxide ANSWER DOWNLOAD EXAMIANS APP
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