Mechanical Operations In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. 35 50 70 85 35 50 70 85 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, the All of these Froude number is independent for the curves between power number and Reynolds number in baffled system Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller All of these Froude number is independent for the curves between power number and Reynolds number in baffled system Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant __________ filtration. Both A & B Neither A nor B Pressure Rate Both A & B Neither A nor B Pressure Rate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance ). 1/μ √μ 1/μ² 1/√μ 1/μ √μ 1/μ² 1/√μ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately __________ microns. 500 5000 5 50 500 5000 5 50 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 1125 230 2250 460 1125 230 2250 460 ANSWER DOWNLOAD EXAMIANS APP
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