Mechanical Operations Colloidal mills are used for __________ grinding. Ultrafine Coarse Fine Intermediate Ultrafine Coarse Fine Intermediate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The study on washability of coal is done by using the __________ technique. None of these Elutriation Tabling Heavy media separation None of these Elutriation Tabling Heavy media separation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gold ore concentration is mostly done using Elutriation Tabling Froth floatation Jigging Elutriation Tabling Froth floatation Jigging ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Chance process is used for the Concentration of iron ore Concentration of pyrites Water treatment Cleaning of coal Concentration of iron ore Concentration of pyrites Water treatment Cleaning of coal ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Shell and leaf filter as compared to plate and frame filter Facilitates filtration under higher pressure All of these Provides more effective washing Entails less labor cost Facilitates filtration under higher pressure All of these Provides more effective washing Entails less labor cost 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? Wet grinding in high viscous suspension Wet grinding in low viscous suspension Dry grinding of large particles (upto 1.25 cms) Dry grindng of large particles in un-baffed mills Wet grinding in high viscous suspension Wet grinding in low viscous suspension Dry grinding of large particles (upto 1.25 cms) Dry grindng of large particles in un-baffed mills ANSWER DOWNLOAD EXAMIANS APP
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