Mechanical Operations The sphericity of a cylinder of 1 mm diameter and length 3 mm is 0.9 0.78 0.6 0.5 0.9 0.78 0.6 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? 1 0.5 ∞ 1 0.5 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels are revolving screens which normally operate in the range of __________ rpm. 60 - 75 43832 15 - 20 40 - 50 60 - 75 43832 15 - 20 40 - 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Chance process is used for the Concentration of pyrites Water treatment Cleaning of coal Concentration of iron ore Concentration of pyrites Water treatment Cleaning of coal Concentration of iron ore ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh. 4 to 5 0.01 to 0.1 2 to 3.5 0.5 to 1.5 4 to 5 0.01 to 0.1 2 to 3.5 0.5 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The crushed material received for separation is called feed or Concentrate Heading Middling Tailing Concentrate Heading Middling Tailing ANSWER DOWNLOAD EXAMIANS APP
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