Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? ∞ 0.5 1 ∞ 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Stamp mills are generally used for crushing Gold ores Iron ores Talc Diamond Gold ores Iron ores Talc Diamond ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Apron conveyors are used for Heavy loads & short runs Small loads & long runs None of these Heavy loads & long runs Heavy loads & short runs Small loads & long runs None of these Heavy loads & long runs ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In classification, particles are said to be equal settling, if they have the same terminal velocities in the Different fluids Same field of force Both B and C Same fluid Different fluids Same field of force Both B and C Same fluid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Both A & B Grinding element & the housing Neither A nor B Feed particles Both A & B Grinding element & the housing Neither A nor B Feed particles ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as filter aid? Diatomaceous earth Rice husk Purified wood cellulose Asbestos Diatomaceous earth Rice husk Purified wood cellulose Asbestos ANSWER DOWNLOAD EXAMIANS APP
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