Mechanical Operations Fibrous material is broken by a Ball mill Squirrel-cage disintegrator Tube mill Rollcrusher Ball mill Squirrel-cage disintegrator Tube mill Rollcrusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge Increases linearly Remains constant Decreases Increases Increases linearly Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is not a function of Screening mechanism Its openings size Screening surface Atmospheric humidity Screening mechanism Its openings size Screening surface Atmospheric humidity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 4.34 1.34 0.5 1 4.34 1.34 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Baum jig washer Trough washer Spiral separator Froth floatation Baum jig washer Trough washer Spiral separator Froth floatation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). V/D.S S/V 6.V/D.S V/6D.S V/D.S S/V 6.V/D.S V/6D.S ANSWER DOWNLOAD EXAMIANS APP
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