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 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 9.0 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the capacity of screens, the screen effectiveness Decreases exponentially Remains unchanged Increases Decreases Decreases exponentially Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A pebble mill Is a ball mill Employs flints or ceramic pebbles as the grinding medium Is a tube mill lined with ceramic or other non-metallic liner Both B and C Is a ball mill Employs flints or ceramic pebbles as the grinding medium Is a tube mill lined with ceramic or other non-metallic liner Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screw conveyors are Suitable for highly abrasive materials All of these Run at very high rpm Suitable for sticky materials Suitable for highly abrasive materials All of these Run at very high rpm Suitable for sticky materials ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following may prove unsuitable for filtering volatile liquids? Centrifugal filter Vacuum filter Gravity filter Pressure filter Centrifugal filter Vacuum filter Gravity filter Pressure filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a Buhrstone mill Crushing rolls Ball mill Hammer mill Buhrstone mill Crushing rolls Ball mill Hammer mill ANSWER DOWNLOAD EXAMIANS APP
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