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Chemical Engineering - Environmental Engineering

Exercise : Environmental Engineering - Section 3
26.
Aerosols present in atmospheric air may be
positively charged.
negatively charged.
neutral.
combination of all (a), (b) & (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Ethanolamine is an absorbant used for the removal of __________ from air/gas.
HF
SO2
H2S
both (b) & (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm) ?
Benzopyrene
Peroxyacyl nitrate
Carbon monoxide
Sulphur dioxide
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
__________ plant emits large amount of SO2 as an air pollutant.
Nitric acid
Sulphuric acid
Chloralkali
Iron & steel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Noise pollution level in a chemical plant is expressed in
roentgen
decibel
hertz
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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