Related Questions

Sulphur dioxide present in the industrial chimney exhaust gases causes
A Respiratory & lung disease
B Reduction in plant's productivity owing to acid rain
C Corrosion of building materials
D All of the above
Draught produced by a tall chimney due to density difference between hot flue gas inside the Chimney and atmospheric air outside the chimney is more appropriately known as the __________ draught.
A Natural
B Induced
C Forced
D Chimney
The draught produced by steel chimney as compared to that produced by brick chimney for the same height is
A Less
B More
C Same
D May be more or less
The draught produced, for a given height of the chimney and given mean temperature of chimney gases
A decreases with increase in outside air temperature
B increases with increase in outside air temperature
C remains the same irrespective of outside air temperature
D may increase or decrease with increase in outside air temperature
The maximum discharge through a chimney occurs when the height of chimney is
A Infinitely long
B Around 200 meters
C Equal to the height of the hot gas column producing draught
D Outside temperature is very low
A device used to heat feed water by utilizing the heat in me exhaust flue gases before leaving through the chimney, is known as
A Economizer
B Fusible plug
C Superheater
D Stop valve
Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes
A Fading of dyes on textiles
B Corrosion, tarnishing & soiling of metals
C Reduced strength of textiles
D All of the above
Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes
A Blood poisoning
B Anaemia
C Nervous system disorder
D All of the above
Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about
A 0.1
B 1
C 2.5
D 3.5
Sulphur Dioxide pollution is indicated by an excessive growth of which of the following?
A Algal Blooms
B Lichens
C Bryophytes
D Protozoa

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