Related Questions

Metallic wire mesh is used as a filtering medium for the separation of dust from dust laden gas in case of a/an
A Air filter
B Bag filter
C Venturi scrubber
D Hydrocyclones
Operating principle of cyclone separator is based on the action of __________ dust particles.
A Diffusion of
B Centrifugal force on
C Gravitational force on
D Electrostatic force on
Dust collection efficiency of a cyclone separator depends upon its
A Diameter
B Inlet gas velocity
C Overall height
D All of the above
With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will
A Increase
B Decrease
C Remain unaffected
D Increase or decrease depending on the nature of the dust
The dust collection efficiency of a cyclone separator
A Decreases with increase in gas flow rate
B Is inversely proportional to the mass of the dust particle
C Is directly proportional to the radius of the dust particle path
D None of these
Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a
A Disc bowl centrifuge
B Sharpies supercentrifuge
C Batch basket centrifuge
D Sparkler filter
Which of the following winds are hot dust laden and blow from Sahara desert towards Mediterranean Region?
A Sirocco
B Loo
C Foehn
D Mistral
Dust laden air can be purified using a
A Cyclone separator
B Bag filter
C Gravity settler
D Tubular centrifuge
'Disasters we live with' is a story based on a cyclone. The cyclone took place in Bangladesh in-
A 1990
B 1991
C 1992
D 1993
Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas?
A Packed scrubber
B Gravity settling chamber
C Electrostatic precipitator
D Hydrocyclone

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