Mechanical Operations Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are Bi-carbonates Sulphates Carbonates Silicates & phosphates Bi-carbonates Sulphates Carbonates Silicates & phosphates 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
Mechanical Operations For sizing of fine materials, the most suitable equipment is a Vibrating screen Shaking screen Trommel Grizzly Vibrating screen Shaking screen Trommel Grizzly ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A pebble mill 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 Is a ball mill Employs flints or ceramic pebbles as the grinding medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Carbon black is pulverised in a Roll crusher Gyratory crusher Ball mill Hammer crusher Roll crusher Gyratory crusher Ball mill Hammer crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? Rittinger's law Bond's law None of these Kick's law Rittinger's law Bond's law None of these Kick's law ANSWER DOWNLOAD EXAMIANS APP
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