For separation of sugar solution from settled out mud, we use a ___________________ filter?

Related Mcqs:

1. 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.

2. Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid ?

   A. Sand bed filter
   B. Plate and frame filter press
   C. Vacuum filter
   D. Batch basket centrifuge

3. Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to ____________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance)?

   A. √μ
   B. 1/√μ
   C. 1/μ
   D. 1/μ2

4. 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

5. 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.

6. 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.

7. Moore filter is a ______________ filter ?

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

8. 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

9. The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size)?

   A. c/s
   B. s/c
   C. s . c
   D. 1/s . c

10. Tank filter (e.g., Nutsche filter) is___________________?

    A. A high pressure filter
    B. A continuous filter
    C. Used for small scale filtration work
    D. A leaf filter