Related Questions

Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the
A Hot scarfing of steel slabs
B Mixing with blast furnace gas
C Coke oven battery heating
D Steel ladle drying
Ionisation potential employed in the industrial electrostatic precipitator is of the order of
A 30 to 70 kV DC
B 30 to 70 kV AC
C 230 V AC
D 230 V DC
Ionisation potential applied across the electrodes of electrostatic tar precipitator is around
A 230 V AC
B 60 KV AC
C 230 V DC
D 60 KV DC
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
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
Dust collection efficiency of a cyclone separator depends upon its
A Diameter
B Inlet gas velocity
C Overall height
D All of the above
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 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
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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