Mechanical Operations During agitation of liquids, the All of these 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 Froude number is independent for the curves between power number and Reynolds number in baffled system All of these 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 Froude number is independent for the curves between power number and Reynolds number in baffled system ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration When half the filtrate has been obtained At the end of filtration, but decreases with time subsequently At time zero At the end of filtration When half the filtrate has been obtained At the end of filtration, but decreases with time subsequently At time zero At the end of filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 5 to 25 50 to 100 0.2 to 0.8 100 to 250 5 to 25 50 to 100 0.2 to 0.8 100 to 250 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is used for primary crushing of very hard lumpy materials? Tube mill Ball mill Toothed roll crusher Gyratory crusher Tube mill Ball mill Toothed roll crusher Gyratory crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Equivalent diameter of a particle is the diameter of the sphere having the same Ratio of volume to surface as the particle Ratio of surface to volume as the actual volume None of these Volume as the particle Ratio of volume to surface as the particle Ratio of surface to volume as the actual volume None of these Volume as the particle ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the Differential wettability Size Density separation Volatile matter content Differential wettability Size Density separation Volatile matter content ANSWER DOWNLOAD EXAMIANS APP
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