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? Calcium carbonate Cresylic acid Copper sulphate Sodium carbonate Calcium carbonate Cresylic acid Copper sulphate Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for All of these British standard screens American standard screens (ASTM and Tyler standard screens) German standard screens (DIN 1171) etc All of these British standard screens American standard screens (ASTM and Tyler standard screens) German standard screens (DIN 1171) etc ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the follwoing mechanical conveyors does not come under the division 'scrapers'? Drag conveyor Bucket elevators Flight conveyor Ribbon conveyor Drag conveyor Bucket elevators Flight conveyor Ribbon conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A belt conveyor used for the transportation of materials can Handle materials upto 5000 tons/hr Run upto 1 km All of these Travel at a speed upto 300 metres/minute Handle materials upto 5000 tons/hr Run upto 1 km All of these Travel at a speed upto 300 metres/minute ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores. Tabling Froth floatation Jigging Classification Tabling Froth floatation Jigging Classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A pebble mill Is a ball mill Is a tube mill lined with ceramic or other non-metallic liner Employs flints or ceramic pebbles as the grinding medium Both B and C Is a ball mill Is a tube mill lined with ceramic or other non-metallic liner Employs flints or ceramic pebbles as the grinding medium Both B and C ANSWER DOWNLOAD EXAMIANS APP
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