Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding Requires more energy Complicates handling & classification of the product None of these Has less capacity Requires more energy Complicates handling & classification of the product None of these Has less capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Weber number is significant and is concerned with the Solid-liquid mixing Suspension of solid in liquid Liquid-liquid mixing Dispersion of liquid in liquid Solid-liquid mixing Suspension of solid in liquid Liquid-liquid mixing Dispersion of liquid in liquid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ 1/√D N ∝ D N ∝ √D N ∝ 1/D N ∝ 1/√D N ∝ D N ∝ √D N ∝ 1/D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a sphere falling in the constant drag co-efficient regime, its terminal velocity depends on its diameter (d) as D² 1/d √d D D² 1/d √d D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The opening of a 200 mesh screen (Taylor series) is 0.0074 cm 0.0074 mm 74 mili-microns 0.0047 cm 0.0074 cm 0.0074 mm 74 mili-microns 0.0047 cm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reduction ratio of crushers is the Determining factor for minimum dia of the feed and the product None of these Ratio of feed opening to discharge opening Ratio of discharge opening to feed opening Determining factor for minimum dia of the feed and the product None of these Ratio of feed opening to discharge opening Ratio of discharge opening to feed opening ANSWER DOWNLOAD EXAMIANS APP
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