Mechanical Operations The work index in Bond's law for crushing of solids has the following dimensions KWh/ton KW/ton KWh.m1/2/ton No units (dimensionless) KWh/ton KW/ton KWh.m1/2/ton No units (dimensionless) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate does not depend upon the None of these Properties of the cake & the filtrate Pressure drop & area of filtering surface Resistance of the cake & the septum None of these Properties of the cake & the filtrate Pressure drop & area of filtering surface Resistance of the cake & the septum ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the capacity of screens, the screen effectiveness Increases Decreases exponentially Decreases Remains unchanged Increases Decreases exponentially Decreases Remains unchanged 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 9.0 kWh/ton 25.4 kWh/ton 18 kWh/ton 6.35 kWh/ton 9.0 kWh/ton 25.4 kWh/ton 18 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Coal is finally pulverised to 200 mesh size for burning in boilers by a Gyratory crusher Hammer crusher Roll crusher Ball mill Gyratory crusher Hammer crusher Roll crusher Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Fine Secondary Primary Ultrafine Fine Secondary Primary Ultrafine ANSWER DOWNLOAD EXAMIANS APP
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