Mechanical Operations Which of the following is not a non-metalliferous mineral? Cassiterrite Quartz Calcite Fluorspar Cassiterrite Quartz Calcite Fluorspar ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sorting classifiers employing differential settling methods for separation of particles make use of the differences in their None of these Terminal velocities Densities Particle sizes None of these Terminal velocities Densities Particle sizes 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 Which of the following is not used as a surface active agent in a flocculation operation? Lime Quartz Sodium silicate Alumina Lime Quartz Sodium silicate Alumina ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 0.5 4.34 1.34 1 0.5 4.34 1.34 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A widely used size reduction equipment for __________ is Bradford breaker. Talc Iron core Coal Wheat Talc Iron core Coal Wheat ANSWER DOWNLOAD EXAMIANS APP