Related Questions

In the cyclone separator used for separation of dust from dust laden gas, the gas
A Enters the cyclone from the top
B Is admitted tangentially at high velocity
C Develops a helical motion inside the chamber
D Both B and C
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 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
'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
If Dust is called Air, Air is called Fire, Fire is called Water, Water is called Colour, Colour is called Rain and Rain is called Dust, where do Fish live ?
A Dust
B Fire
C Colour
D Water
Dust in a computer actually increases the size of the magnetic fields inside it. This is not good, so you must occasionaiy dust, I trust. What's the best way to do this?
A reverse vacuum
B any small vacuum device
C blow real hard on the system board
D use a lint-free cloth and wipe gently
E non-static compressed air
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

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