Mechanical Operations In filtration, the use of 'filter aid' helps in Enhancing the cake porosity in case of a dense impermeable cake Deplugging the filter medium Accelerating the rate of filtration Reducing the filtration pressure Enhancing the cake porosity in case of a dense impermeable cake Deplugging the filter medium Accelerating the rate of filtration Reducing the filtration pressure ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To get ultrafine particles, the equipment used is a Rod mill Ball mill Hammer crusher Fluid energy mill Rod mill Ball mill Hammer crusher Fluid energy mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is used for producing a thick suspension from a thin slurry. Pressure filter thickener Cartridge filter Plate and frame filter press Rotary drum vacuum filter Pressure filter thickener Cartridge filter Plate and frame filter press Rotary drum vacuum filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following oxides is not present in hematite iron ore? Calcium oxide Manganese oxide Cobalt oxide Titanium oxide Calcium oxide Manganese oxide Cobalt oxide Titanium oxide ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Width and speed of a conveyor belt depends upon the __________ of the material. Lump size Bulk density Both A & B Neither A nor B Lump size Bulk density Both A & B Neither A nor B 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 6.35 kWh/ton 25.4 kWh/ton 18 kWh/ton 9.0 kWh/ton 6.35 kWh/ton 25.4 kWh/ton 18 kWh/ton 9.0 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
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