Mechanical Operations Which of the follwoing mechanical conveyors does not come under the division 'scrapers'? Drag conveyor Ribbon conveyor Bucket elevators Flight conveyor Drag conveyor Ribbon conveyor Bucket elevators Flight conveyor 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 Concentrate None of these Middling Tailing Concentrate None of these Middling 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 . δ² . ρL ½w² . R² . ρL ½w² . R . ρL(R + 2δ) ½w² . δρL (2R + δ) ½w² . δ² . ρL ½w² . R² . ρL ½w² . R . ρL(R + 2δ) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of solid particles based on their densities is called Sorting Clarification Sizing Dispersion Sorting Clarification Sizing Dispersion ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cartridge filters are termed as 'edge' filters, because of the fact that the Bulk of the solids are removed at the periphery of the disks None of these Disks have very sharp edge Solids are not deposited at the edge of the disk Bulk of the solids are removed at the periphery of the disks None of these Disks have very sharp edge Solids are not deposited at the edge of the disk ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Metallic wire mesh is used as a filtering medium for the separation of dust from dust laden gas in case of a/an Bag filter Venturi scrubber Air filter Hydrocyclones Bag filter Venturi scrubber Air filter Hydrocyclones ANSWER DOWNLOAD EXAMIANS APP
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