Mechanical Operations In a roll crusher, the specific power consumption and the production rate is affected by the Neither A nor B Reduction ratio Both A & B Differential roll speed Neither A nor B Reduction ratio Both A & B Differential roll speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels are revolving screens which normally operate in the range of __________ rpm. 40 - 50 43832 15 - 20 60 - 75 40 - 50 43832 15 - 20 60 - 75 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a wet classifier? Dorr Oliver rake classifier Hydrocyclones Sharpies supercentrifuge None of these Dorr Oliver rake classifier Hydrocyclones Sharpies supercentrifuge None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter) π/6(=V/D³) AD/V None of these π(=A/D²) π/6(=V/D³) AD/V None of these π(=A/D²) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores. Froth floatation Tabling Classification Jigging Froth floatation Tabling Classification Jigging ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a surface active agent in a flocculation operation? Alumina Quartz Lime Sodium silicate Alumina Quartz Lime Sodium silicate ANSWER DOWNLOAD EXAMIANS APP
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