Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. None of these Shape Wettability Specific gravities None of these Shape Wettability Specific gravities ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixing mechanism employed in a pan mixer is by None of these Dispersion Kneading Mulling None of these Dispersion Kneading Mulling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the Washing time only Square root of the velocity Square of the viscosity Filtration time only Washing time only Square root of the velocity Square of the viscosity Filtration time only ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Actual operating speed of a ball mill may vary from 65 to 80% of the critical speed. Which of the following duties would require the ball mill to be operated at maximum percentage of critical speed? Dry grinding of large particles (upto 1.25 cms) Wet grinding in high viscous suspension Dry grindng of large particles in un-baffed mills Wet grinding in low viscous suspension Dry grinding of large particles (upto 1.25 cms) Wet grinding in high viscous suspension Dry grindng of large particles in un-baffed mills Wet grinding in low viscous suspension ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant __________ filtration. Neither A nor B Pressure Rate Both A & B Neither A nor B Pressure Rate Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The study on washability of coal is done by using the __________ technique. Elutriation Heavy media separation Tabling None of these Elutriation Heavy media separation Tabling None of these ANSWER DOWNLOAD EXAMIANS APP
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