Mechanical Operations Crushing efficiency of a machine ranges between __________ percent. 20 to 25 50 to 70 5 to 10 0.1 to 2 20 to 25 50 to 70 5 to 10 0.1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of 'grinding aids' is done in __________ grinding. Ultrafine Dry Intermediate Wet Ultrafine Dry Intermediate Wet ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, the Feed may be highly abrasive (Moh's scale >5) Maximum feed size may be 50 mm Minimum product size is 3 mm Rotor shaft carrying hammers can be vertical or horizontal Feed may be highly abrasive (Moh's scale >5) Maximum feed size may be 50 mm Minimum product size is 3 mm Rotor shaft carrying hammers can be vertical or horizontal ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration capacity of a rotary drum vacuum filter depends upon the Characteristics of the feed slurry Both A & B Cake thickness Neither A nor B Characteristics of the feed slurry Both A & B Cake thickness 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 25.4 kWh/ton 6.35 kWh/ton 9.0 kWh/ton 18 kWh/ton 25.4 kWh/ton 6.35 kWh/ton 9.0 kWh/ton 18 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Range of compressibility co-efficient of the commercial compressible cake obtained in filtration operation is 0.01 to 0.1 0.2 to 0.4 0.1 to 0.3 0.2 to 0.8 0.01 to 0.1 0.2 to 0.4 0.1 to 0.3 0.2 to 0.8 ANSWER DOWNLOAD EXAMIANS APP
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