Mechanical Operations The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the __________ filter. Vacuum Plate & frame Sand Rotary Vacuum Plate & frame Sand Rotary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most common filter aid is Diatomaceous earth Calcium silicate Silica gel Sodium carbonate Diatomaceous earth Calcium silicate Silica gel Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about 10 to 15° 5 to 10° 1 to 2° 2 to 5° 10 to 15° 5 to 10° 1 to 2° 2 to 5° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A screen is said to be blinded, when the Screen capacity is abruptly increased Screen is plugged with solid particles Undersizes are retained in oversize fraction Oversizes are present in undersize fraction Screen capacity is abruptly increased Screen is plugged with solid particles Undersizes are retained in oversize fraction Oversizes are present in undersize fraction 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 . R . ρL(R + 2δ) ½w² . δ² . ρL ½w² . δρL (2R + δ) ½w² . R² . ρL ½w² . R . ρL(R + 2δ) ½w² . δ² . ρL ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aid is used to Increase the porosity of the cake Act as a support base for the septum Decrease the pressure drop Increase the rate of filtration Increase the porosity of the cake Act as a support base for the septum Decrease the pressure drop Increase the rate of filtration ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS