Mesh indicates the number of holes per Linear inch Linear foot Square inch Square foot TRUE ANSWER : ? YOUR ANSWER : ?
Cartridge filters are termed as 'edge' filters, because of the fact that the Solids are not deposited at the edge of the disk Disks have very sharp edge Bulk of the solids are removed at the periphery of the disks None of these TRUE ANSWER : ? YOUR ANSWER : ?
The study on washability of coal is done by using the __________ technique. Heavy media separation Tabling None of these Elutriation TRUE ANSWER : ? YOUR ANSWER : ?
The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 3 to 4 8 to 10 10 to 15 15 to 20 TRUE ANSWER : ? YOUR ANSWER : ?
For spheres, volume shape factor is given by π(=A/D²) AD/V π/6(=V/D³) 2π(=2A/D²) TRUE ANSWER : ? YOUR ANSWER : ?
Additives used for promoting the floccula-tion of particles is a/an Electrolyte Surface active agent Both A & B Neither A nor B TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following must be stored in silos and not in open yard? None of these High V.M. bituminous coal Coke breeze Sand TRUE ANSWER : ? YOUR ANSWER : ?
During the washing of cake All the resistances are constant Filter medium resistance increases Filter medium resistance decreases Cake resistance decreases TRUE ANSWER : ? YOUR ANSWER : ?
During agitation of liquids, the Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number All of these Froude number is independent for the curves between power number and Reynolds number in baffled system Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller TRUE ANSWER : ? YOUR ANSWER : ?
Sorting classifiers employing differential settling methods for separation of particles make use of the differences in their None of these Terminal velocities Densities Particle sizes TRUE ANSWER : ? YOUR ANSWER : ?