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 Sodium carbonate Cresylic acid Calcium carbonate Copper sulphate Sodium carbonate Cresylic acid Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The reduction ratio for grinders is defined as(where, Df and Dp are average diameters of feed and product respectively). Df - Dp Dp/Df Df/Dp None of these Df - Dp Dp/Df Df/Dp None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a non-metalliferous mineral? Quartz Calcite Fluorspar Cassiterrite Quartz Calcite Fluorspar Cassiterrite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Sharpies supercentrifuge Precoat filter Sparkler filter Disc-bowl centrifuge Sharpies supercentrifuge Precoat filter Sparkler filter Disc-bowl centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh. 0.5 to 1.5 0.01 to 0.1 4 to 5 2 to 3.5 0.5 to 1.5 0.01 to 0.1 4 to 5 2 to 3.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Shape None of these Specific gravities Wettability Shape None of these Specific gravities Wettability ANSWER DOWNLOAD EXAMIANS APP
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