Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Increase the compressibility co-efficient Decrease the porosity Decrease the compressibility co-efficient Increase the porosity Increase the compressibility co-efficient Decrease the porosity Decrease the compressibility co-efficient Increase the porosity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter medium resistance is important during the __________ of filtration. Final stages Entire process Early stages None of these Final stages Entire process Early stages None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? ∞ 1 0.5 ∞ 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the __________ filter. Sand Plate & frame Vacuum Rotary Sand Plate & frame Vacuum Rotary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The opening of a 200 mesh screen (Taylor series) is 0.0074 cm 74 mili-microns 0.0074 mm 0.0047 cm 0.0074 cm 74 mili-microns 0.0074 mm 0.0047 cm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following may prove unsuitable for filtering volatile liquids? Vacuum filter Centrifugal filter Gravity filter Pressure filter Vacuum filter Centrifugal filter Gravity filter Pressure filter ANSWER DOWNLOAD EXAMIANS APP