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 25.4 kWh/ton 18 kWh/ton 6.35 kWh/ton 9.0 kWh/ton 25.4 kWh/ton 18 kWh/ton 6.35 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Power consumption during turbulent flow in agitation tank is proportional to the __________ of the liquid. Surface tension Thermal conductivity Viscosity Density Surface tension Thermal conductivity Viscosity Density ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Maximum size reduction in a ball mill is done by the, __________ action. Attrition Cutting Impact Compression Attrition Cutting Impact Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines? Tube mill Rod mill Pebble mill Compartment mill Tube mill Rod mill Pebble mill Compartment mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration. Constant pressure Varying rate Varying pressure Constant rate Constant pressure Varying rate Varying pressure Constant rate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The reduction ratio for fine grinders is 43961 44124 20-40 As high as 100 43961 44124 20-40 As high as 100 ANSWER DOWNLOAD EXAMIANS APP
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