Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a _______________ surface?

Related Mcqs:

1. In case of a plate and frame filter press, filtrate flow through the cake follows _______________ flow?

   A. Plug B. Turbulent C. Laminar D. None of these...

2. Shell and leaf filter as compared to plate and frame filter _____________________?

   A. Entails less labor cost B. Facilitates filtration under higher pressure C. Provides more effective washing D. All A., B. & C....

3. Flow of filtrate through the cake in a plate and frame filter press is best described by the ______________ equation?

   A. Kozeny-Carman B. Hagen-Poiseuille’s C. Fanning’s D. Kremser...

4. In washing type plate and frame filter press, the ratio of washing rate to the final filtrate rate is__________________?

   A. 4 B. 1/4 C. 1 D. 1/2...

5. Addition of filter aid to the slurry before filtration is done to _______________ of the cake?

   A. Increase the porosity B. Increase the compressibility co-efficient C. Decrease the porosity D. Decrease the compressibility co-efficient...

6. Supporting legs of a plate and frame filter is normally made of________________?

   A. Stainless steel B. Cast iron C. High speed steel D. Wooden plank...

7. The cake resistance increases steadily with the time of filtration in a plate and frame filter employing constant ______________ filtration?

   A. Rate B. Pressure C. Both A. & B. D. Neither A. nor B....

8. Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is_______________?

   A. Added to the feed slurry B. Pre-coated on the filter medium prior to filtration C. Separated from the cake by dissolving solids or by burning it off D. All A, B. & C....

9. Percentage of drum submerged in the slurry in case of rotary drum filter is ________________?

   A. 3 B. 30 C. 85 D. 25...

10. The basic filtration equation is given as dt/dV = (μ/A ΔP). [(α .CV/A) + Rm], where, V is volume of the filtrate; A is the filtration area, a is specific cake resistance, μ is viscosity of the filtrate, and C is the concentration of the solids in the feed slurry. In a 20 minutes constant rate filtration, 5 m3 of filtrate was obtained. If this is followed by a constant pressure filtration, how much more time in minutes, it will take for another 5 m3 of filtrate to be produced? Neglect filter medium resistance, Rm; assume incompressible cake ?

    A. 10 B. 20 C. 25 D. 30...