Mechanical Operations __________ mills are termed as impactors. Cage None of these Rolling-compression Hammer Cage None of these Rolling-compression Hammer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Linear speed of the basket is doubled Capacity of centrifuge is increased Centrifugal force is doubled Linear speed of the basket is halved Linear speed of the basket is doubled Capacity of centrifuge is increased Centrifugal force is doubled Linear speed of the basket is halved ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Driving force in case of filtration by a centrifuge is the Centrifugal pressure exerted by the liquid Narrow diameter of the vessel Formation of highly porous cake Speed of the centrifuge Centrifugal pressure exerted by the liquid Narrow diameter of the vessel Formation of highly porous cake Speed of the centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sedimentation on commercial scale occurs in Rotary drum filters Cyclones Classifiers Thickeners Rotary drum filters Cyclones Classifiers Thickeners ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration. Varying rate Constant pressure Constant rate Varying pressure Varying rate Constant pressure Constant rate Varying pressure 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 . δ² . ρL ½w² . δρL (2R + δ) ½w² . R . ρL(R + 2δ) ½w² . R² . ρL ½w² . δ² . ρL ½w² . δρL (2R + δ) ½w² . R . ρL(R + 2δ) ½w² . R² . ρL ANSWER DOWNLOAD EXAMIANS APP
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