Mechanical Operations With increase in the capacity of screens, the screen effectiveness Increases Decreases Decreases exponentially Remains unchanged Increases Decreases Decreases exponentially Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Horsepower required for a roll crusher is directly proportional to its Reduction ratio Both A & B Capacity Neither A nor B Reduction ratio Both A & B Capacity Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The work index in Bond's law for crushing of solids has the following dimensions KWh.m1/2/ton KW/ton No units (dimensionless) KWh/ton KWh.m1/2/ton KW/ton No units (dimensionless) KWh/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cake resistance is Important in the beginning of filtration Decreased with the time of filtration None of these Independent of pressure drop Important in the beginning of filtration Decreased with the time of filtration None of these Independent of pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In filtration, the use of 'filter aid' helps in Reducing the filtration pressure Accelerating the rate of filtration Enhancing the cake porosity in case of a dense impermeable cake Deplugging the filter medium Reducing the filtration pressure Accelerating the rate of filtration Enhancing the cake porosity in case of a dense impermeable cake Deplugging the filter medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? Kick's law None of these Bond's crushing law Rittinger's law Kick's law None of these Bond's crushing law Rittinger's law ANSWER DOWNLOAD EXAMIANS APP
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