Mechanical Operations Gold ore concentration is mostly done using Elutriation Froth floatation Tabling Jigging Elutriation Froth floatation Tabling Jigging ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.3 0.007 0.014 50 0.3 0.007 0.014 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Two particles are called to be equal settling, if they are having the same. None of these Specific gravity Terminal velocities in the same fluid & in the same field of force Size None of these Specific gravity Terminal velocities in the same fluid & in the same field of force Size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Wettability None of these Specific gravities Shape Wettability None of these Specific gravities Shape ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a cutting machine? Knife cutters Slitters Tube mills Dicers Knife cutters Slitters Tube mills Dicers 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 Same fluid Both B and C Different fluids Same field of force Same fluid Both B and C ANSWER DOWNLOAD EXAMIANS APP
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