Mechanical Operations Activators are those chemicals which help buoying up one mineral in preference to the other in the froth floatation process. Which of the following is an activator? Copper sulphate Cresylic acid Calcium carbonate Sodium carbonate Copper sulphate Cresylic acid Calcium carbonate Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mills are termed as impactors. Rolling-compression Cage Hammer None of these Rolling-compression Cage Hammer None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A belt conveyor used for the transportation of materials can All of these Run upto 1 km Travel at a speed upto 300 metres/minute Handle materials upto 5000 tons/hr All of these Run upto 1 km Travel at a speed upto 300 metres/minute Handle materials upto 5000 tons/hr ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation. Clarification Sedimentation Classification Flocculation Clarification Sedimentation Classification Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mills fall in the category of tumbling mills, Ball and pebble All of these Compartment Rod and tube Ball and pebble All of these Compartment Rod and tube ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. 35 70 85 50 35 70 85 50 ANSWER DOWNLOAD EXAMIANS APP
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