Mechanical Operations In bag filters, filter fabrics are never made of Polyester fibres Metallic wire woven mesh Cotton fibres Nylon fibres Polyester fibres Metallic wire woven mesh Cotton fibres Nylon fibres ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. Tailing Middling Concentrate None of these Tailing Middling Concentrate None of these 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 . R² . ρL ½w² . δρL (2R + δ) ½w² . R . ρL(R + 2δ) ½w² . δ² . ρL ½w² . R² . ρL ½w² . δρL (2R + δ) ½w² . R . ρL(R + 2δ) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filter medium resistance is controlled by Cake thickness Both pressure drop and flow rate Flow rate alone Pressure drop alone Cake thickness Both pressure drop and flow rate Flow rate alone Pressure drop alone ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following conveyors cannot be recommended for transportation of abrasive materials? Apron conveyor Belt conveyor Flight conveyor Chain conveyor Apron conveyor Belt conveyor Flight conveyor Chain conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For sizing of fine materials, the most suitable equipment is a Grizzly Trommel Shaking screen Vibrating screen Grizzly Trommel Shaking screen Vibrating screen ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS