Mechanical Operations During agitation of liquids, the Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller 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 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 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Temperature of the product during ultrafine grinding Increases Decreases May increase or decrease ; depends on the material being ground Remains constant Increases Decreases May increase or decrease ; depends on the material being ground Remains constant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a pneumatic conveying system depends upon the All of these Bulk density of materials Diameter of the conveying line Pressure of the conveying air All of these Bulk density of materials Diameter of the conveying line Pressure of the conveying air 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. Middling None of these Concentrate Tailing Middling None of these Concentrate Tailing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During the washing of cake Filter medium resistance decreases All the resistances are constant Filter medium resistance increases Cake resistance decreases Filter medium resistance decreases All the resistances are constant Filter medium resistance increases Cake resistance decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a cyclone of diameter 0.2 m with a tangential velocity of 15 m/s at the wall, the separation factor is 460 1125 2250 230 460 1125 2250 230 ANSWER DOWNLOAD EXAMIANS APP
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