Mechanical Operations Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called Decantation Classification Clarification Sedimentation Decantation Classification Clarification Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rod mills employed for grinding Is useful for handling sticky materials Employ a steel shell having L/D ratio of 1.5 to 3.0 All of these Employ steel rods of 2-12 cms diameter extending over full length of the mill Is useful for handling sticky materials Employ a steel shell having L/D ratio of 1.5 to 3.0 All of these Employ steel rods of 2-12 cms diameter extending over full length of the mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Froth floatation is the most suitable for treating Iron ores None of these Quartzite Sulphide ores Iron ores None of these Quartzite Sulphide ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Weber number is significant and is concerned with the Suspension of solid in liquid Solid-liquid mixing Liquid-liquid mixing Dispersion of liquid in liquid Suspension of solid in liquid Solid-liquid mixing Liquid-liquid mixing Dispersion of liquid in liquid 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 cottrel precipitator makes use of the __________ for dusty air cleaning. Electric spark Corrona discharge None of these Alternating current Electric spark Corrona discharge None of these Alternating current ANSWER DOWNLOAD EXAMIANS APP
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