Mechanical Operations Crushing efficiency of a machine ranges between __________ percent. 20 to 25 50 to 70 0.1 to 2 5 to 10 20 to 25 50 to 70 0.1 to 2 5 to 10 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? 0.66 1 0.5 2.76 0.66 1 0.5 2.76 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In filtration, the use of 'filter aid' helps in Deplugging the filter medium Reducing the filtration pressure Enhancing the cake porosity in case of a dense impermeable cake Accelerating the rate of filtration Deplugging the filter medium Reducing the filtration pressure Enhancing the cake porosity in case of a dense impermeable cake Accelerating the rate of filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a coarse crusher? Tube mill Smooth roll crusher Toothed roll crusher Gyratory crusher Tube mill Smooth roll crusher Toothed roll crusher Gyratory crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 μrn is 9.0 kWh/ton 18 kWh/ton 6.35 kWh/ton 25.4 kWh/ton 9.0 kWh/ton 18 kWh/ton 6.35 kWh/ton 25.4 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The process by which fine solids is removed from liquids is termed as Sedimentation Decantation Classification Flocculation Sedimentation Decantation Classification Flocculation ANSWER DOWNLOAD EXAMIANS APP
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