Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Basic slags Asbestos & mica Metalliferrous ores Non-metallic ores Basic slags Asbestos & mica Metalliferrous ores Non-metallic ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most common filter aid is Diatomaceous earth Silica gel Calcium silicate Sodium carbonate Diatomaceous earth Silica gel Calcium silicate Sodium carbonate 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 6.35 kWh/ton 18 kWh/ton 25.4 kWh/ton 9.0 kWh/ton 6.35 kWh/ton 18 kWh/ton 25.4 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of fibrous materials like wood, asbestos, mica etc. is done by a disintegrator exemplified by the Bradford's breaker Cage mill Blake jaw crusher Stamp mill Bradford's breaker Cage mill Blake jaw crusher Stamp mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Width and speed of a conveyor belt depends upon the __________ of the material. Neither A nor B Both A & B Bulk density Lump size Neither A nor B Both A & B Bulk density Lump size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filtrate flow rate in constant pressure filtration May increase or decrease ; depends on the pressure Continuously increases Remains constant throughout Continuously decreases May increase or decrease ; depends on the pressure Continuously increases Remains constant throughout Continuously decreases ANSWER DOWNLOAD EXAMIANS APP
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