Mechanical Operations Which of the following is a coarse crusher? Toothed roll crusher Gyratory crusher Tube mill Smooth roll crusher Toothed roll crusher Gyratory crusher Tube mill Smooth roll crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a surface active agent in a flocculation operation? Lime Alumina Sodium silicate Quartz Lime Alumina Sodium silicate Quartz ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is the most commonly used 'filter aid'. Vermiculite Semi-plastic clay Diatomaceous earth Fuller's earth Vermiculite Semi-plastic clay Diatomaceous earth Fuller's earth ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 10 to 15 3 to 4 8 to 10 15 to 20 10 to 15 3 to 4 8 to 10 15 to 20 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ are used for the separation of coarse particles from a slurry of fine particles. Hydrocyclones Classifiers Thickeners Decanters Hydrocyclones Classifiers Thickeners Decanters 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 . δρL (2R + δ) ½w² . R² . ρL ½w² . δ² . ρL ½w² . R . ρL(R + 2δ) ½w² . δρL (2R + δ) ½w² . R² . ρL ½w² . δ² . ρL ½w² . R . ρL(R + 2δ) ANSWER DOWNLOAD EXAMIANS APP