Mechanical Operations The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be 3.34 Wi 0.5 Wi 1.34 Wi Wi 3.34 Wi 0.5 Wi 1.34 Wi Wi ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Paddle agitator Is suitable for mixing low viscosity liquids Produces axial flow Moves at very high speed None of these Is suitable for mixing low viscosity liquids Produces axial flow Moves at very high speed None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Carbon black is pulverised in a Hammer crusher Gyratory crusher Roll crusher Ball mill Hammer crusher Gyratory crusher Roll crusher Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To remove very small amount of tiny solid impurities from liquid, we use a Vacuum filter Centrifugal filter Coagulant Pressure filter Vacuum filter Centrifugal filter Coagulant Pressure filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Has a higher length/diameter ratio Has a higher diameter/length ratio Uses much larger balls Produces a coarser product Has a higher length/diameter ratio Has a higher diameter/length ratio Uses much larger balls Produces a coarser product ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The opening of a 200 mesh screen (Taylor series) is 74 mili-microns 0.0047 cm 0.0074 cm 0.0074 mm 74 mili-microns 0.0047 cm 0.0074 cm 0.0074 mm ANSWER DOWNLOAD EXAMIANS APP
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