Mechanical Operations In case of a ball mill, Coarse feed requires a larger ball Operating speed should be more than the critical speed None of these Fine feed requires a larger ball Coarse feed requires a larger ball Operating speed should be more than the critical speed None of these Fine feed requires a larger ball ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a non-metalliferous mineral? Calcite Quartz Fluorspar Cassiterrite Calcite Quartz Fluorspar Cassiterrite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding efficiency of a ball mill is of the order of __________ percent. 75-80 40-50 90-95 43835 75-80 40-50 90-95 43835 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called Froth floatation Clarification Classification Thickening Froth floatation Clarification Classification Thickening ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which is the most suitable conveyor for transportation of sticky material? Screw conveyor Apron conveyor Belt conveyor Pneumatic conveyor Screw conveyor Apron conveyor Belt conveyor Pneumatic conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Angle of nip of the crushing rolls does not depend upon the Feed size Diameter of the rolls Speed of the rolls Product size Feed size Diameter of the rolls Speed of the rolls Product size ANSWER DOWNLOAD EXAMIANS APP