Mechanical Operations Filtration capacity of a rotary drum vacuum filter depends upon the Cake thickness Characteristics of the feed slurry Neither A nor B Both A & B Cake thickness Characteristics of the feed slurry Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filter medium resistance is controlled by Pressure drop alone Flow rate alone Cake thickness Both pressure drop and flow rate Pressure drop alone Flow rate alone Cake thickness Both pressure drop and flow rate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of sherical particles is proportional to (where, Dp = diameter of particle). 1/D²p Dp 1/Dp D²p 1/D²p Dp 1/Dp D²p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In bag filters, filter fabrics are never made of Metallic wire woven mesh Cotton fibres Polyester fibres Nylon fibres Metallic wire woven mesh Cotton fibres Polyester fibres Nylon fibres 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 . δρL (2R + δ) ½w² . R . ρL(R + 2δ) ½w² . δ² . ρL ½w² . R² . ρL ½w² . δρL (2R + δ) ½w² . R . ρL(R + 2δ) ½w² . δ² . ρL ½w² . R² . ρL ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is √3 1.5 √2 2 √3 1.5 √2 2 ANSWER DOWNLOAD EXAMIANS APP
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