Mechanical Operations Ball mills and tube mills with flint or porcelain balls are used for size reduction of Non-metallic ores Rubber Limestone Asbestos Non-metallic ores Rubber Limestone Asbestos ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge Increases linearly Remains constant Decreases Increases Increases linearly Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Moore filter is a __________ filter. Press Leaf Sand Rotary Press Leaf Sand Rotary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of baffles in agitators help in minimising the __________ tendency. Vortexing Neither A nor B Both A & B Swirling Vortexing Neither A nor B Both A & B Swirling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is expressed in terms of Tons/hr-ft² Tons/hr Both A & B Tons/ft² Tons/hr-ft² Tons/hr Both A & B Tons/ft² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is ½w² . R² . ρL ½w² . δ² . ρL ½w² . R . ρL(R + 2δ) ½w² . δρL (2R + δ) ½w² . R² . ρL ½w² . δ² . ρL ½w² . R . ρL(R + 2δ) ½w² . δρL (2R + δ) ANSWER DOWNLOAD EXAMIANS APP