Which one is a filter aid ?
Which one is a filter aid ?
A. Canvas fabric
B. Diatomaceous earth
C. Calcined lime
D. None of these
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Highly viscous liquids & pastes are agitated by________________?
Highly viscous liquids & pastes are agitated by________________?A. Propellers
B. Turbine agitators
C. Multiple blade paddles
D. None of theseWhich of the following is used for primary crushing of very hard lumpy materials ?
Which of the following is used for primary crushing of very hard lumpy materials ?A. Toothed roll crusher
B. Gyratory crusher
C. Ball mill
D. Tube millCartridge filters are termed as ‘edge’ filters, because of the fact that the_________________?
Cartridge filters are termed as ‘edge’ filters, because of the fact that the_________________?A. Disks have very sharp edge
B. Solids are not deposited at the edge of the disk
C. Bulk of the solids are removed at the periphery of the disks
D. None of theseVacuum filter is most suitable for the_______________?
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 theseThe capacity of a classifier in ‘tons of solid/hr’ is given by (where, A = cross-sectional area in m2, V = rising velocity of fluid in m/sec, S = percentage of solids in the suspension by volume, ρ = density of solids in kg/m3)_________________?
The capacity of a classifier in ‘tons of solid/hr’ is given by (where, A = cross-sectional area in m2, V = rising velocity of fluid in m/sec, S = percentage of solids in the suspension by volume, ρ = density of solids in kg/m3)_________________?A. 3.6 AVS.ρ
B. 3.6 A.V.ρ
C. 3.6 A.S. ρ
D. 3.6 AVS/ρ
Answer: OptionFiltration of water in a paper mill is done by a/an _______________ filter?
Filtration of water in a paper mill is done by a/an _______________ filter?A. Open sand
B. Plate and frame
C. Vacuum leaf
D. Sparkler