A. Removal of fines from liquid
B. Liquids having high vapour pressure
C. Liquids of very high viscosity
D. None of these
Related Mcqs:
- Vacuum is applied in _______________ zone, in case of a general type continuous rotary drum vacuum filter?
A. Filtering
B. Washing
C. Drying
D. All A., B. & C. - Filtration capacity of a rotary drum vacuum filter depends upon the_______________?
A. Cake thickness
B. Characteristics of the feed slurry
C. Both A. & B.
D. Neither A. nor B. - 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 - 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. - 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 - 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 - Which of the following is a vacuum filter ?
A. Filter press
B. Rotary disc filter
C. Batch basket centrifuge
D. Tank filter (Nutsche filter) - The controlling resistance in a rotary drum vacuum filter is the ________________ resistance?
A. Piping
B. Cake
C. Filter medium
D. None of these - The speed of a rotary drum vacuum filter may be about _____________ rpm?
A. 1
B. 50
C. 100
D. 500 - 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
