Mechanical Operations Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a Sharpies supercentrifuge Disc bowl centrifuge Sparkler filter Batch basket centrifuge Sharpies supercentrifuge Disc bowl centrifuge Sparkler filter Batch basket centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of grinding in a ball mill Grinding cost and power requirement increases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding All of these Its capacity decreases with increasing fineness of the products Grinding cost and power requirement increases with increasing fineness of the products Wet grinding achieves a finer product size than dry grinding All of these Its capacity decreases with increasing fineness of the products ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cyclones are used primarily for separating Solids from solids Solids Solids from fluids Liquids Solids from solids Solids Solids from fluids Liquids ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following oxides is not present in hematite iron ore? Calcium oxide Cobalt oxide Titanium oxide Manganese oxide Calcium oxide Cobalt oxide Titanium oxide Manganese oxide ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the Flocculation Sedimentation Clarification Coagulation Flocculation Sedimentation Clarification Coagulation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is ½w² . R . ρL(R + 2δ) ½w² . δ² . ρL ½w² . δρL (2R + δ) ½w² . R² . ρL ½w² . R . ρL(R + 2δ) ½w² . δ² . ρL ½w² . δρL (2R + δ) ½w² . R² . ρL ANSWER DOWNLOAD EXAMIANS APP
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