A. Vacuum
B. Sand
C. Plate & frame
D. Rotary
Related Mcqs:
- 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 - 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. - 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 - 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. - 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. - Moore filter is a ______________ filter ?
A. Leaf
B. Press
C. Rotary
D. Sand - 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 - 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 - 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 - Vacuum filter is most suitable for the_______________?
A. Removal of fines from liquid
B. Liquids having high vapour pressure
C. Liquids of very high viscosity
D. None of these
