Mechanical Operations Shell and leaf filter as compared to plate and frame filter Entails less labor cost Provides more effective washing All of these Facilitates filtration under higher pressure Entails less labor cost Provides more effective washing All of these Facilitates filtration under higher pressure ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a wet classifier? Dorr Oliver rake classifier None of these Hydrocyclones Sharpies supercentrifuge Dorr Oliver rake classifier None of these Hydrocyclones Sharpies supercentrifuge 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 . δ² . ρL ½w² . δρL (2R + δ) ½w² . R . ρL(R + 2δ) ½w² . R² . ρL ½w² . δ² . ρL ½w² . δρL (2R + δ) ½w² . R . ρL(R + 2δ) ½w² . R² . ρL ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The process by which fine solids is removed from liquids is termed as Classification Flocculation Decantation Sedimentation Classification Flocculation Decantation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations 200 mesh screen means 200 openings per Cm Inch² Inch Cm² Cm Inch² Inch Cm² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively. 200°C and 5 atm 1000°C and 500 atm 500°C and 50 atm 1000°C and 10 atm 200°C and 5 atm 1000°C and 500 atm 500°C and 50 atm 1000°C and 10 atm ANSWER DOWNLOAD EXAMIANS APP
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