Related Questions

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
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
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
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
'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
The dust collection efficiency of electrostatic precipitator increases with increase in the
A Gas flow rate
B Electrode area
C Both A & B
D Neither A nor B
In a rare coin collection, all coins are either pure gold or pure silver , and there is initially one gold coin for every three silver coins . With the addition of 10 more gold coins to the collection, the ratio of gold coins to silver coins is 1 to 2. Based on this information , how many total coins are there now in this collection (after the acquisition)?
A 40
B 50
C 70
D 90
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

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