Related Mcqs:

1. 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?

   A. Plane
   B. Curved
   C. Ribbed
   D. Either A. or B.

2. 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

3. 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

4. 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

5. 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.

6. 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

7. 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.

8. The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the _____________ filter?

   A. Vacuum
   B. Sand
   C. Plate & frame
   D. Rotary

9. Moore filter is a ______________ filter ?

   A. Leaf
   B. Press
   C. Rotary
   D. Sand

10. For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the ______________ filter?

    A. Plate & frame
    B. Shell & leaf
    C. Sand
    D. Rotary vacuum