Mechanical Operations Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called Classification Clarification Froth floatation Thickening Classification Clarification Froth floatation Thickening ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gold ore concentration is mostly done using Jigging Elutriation Froth floatation Tabling Jigging Elutriation Froth floatation Tabling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a fine crusher? Gyratory crusher Blake jaw crusher Dodge jaw crusher Toothed roll crusher Gyratory crusher Blake jaw crusher Dodge jaw crusher Toothed roll crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 2.76 0.5 0.66 1 2.76 0.5 0.66 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its Easier grindability None of these Poor grindability High power consumption in grinding Easier grindability None of these Poor grindability High power consumption in grinding ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger number which designates the new surface prduced per unit of mechanical energy absorbed by the material being crushed, depends on the All of these State or manner of application of the crushing force Elastic constant of the material Ultimate strength of the material All of these State or manner of application of the crushing force Elastic constant of the material Ultimate strength of the material ANSWER DOWNLOAD EXAMIANS APP
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