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E1248 Pages: 2

Municipal solid waste management is becoming a challenge in many areas.
Why?
Give an account on the 5R principle in solid waste management
What is segregation of solid waste? What are the benefits gained through it?
In what way the presence of iron and manganese affect the quality of water?
Give the drinking water standard as per BIS for (i) nitrate (ii) sulphate and (iii)
turbidity. Also mention the ill effects due to these parameters when they are
excess in drinking water.
What is “great Pacific garbage patch”? Give its causes and impacts
E-waste related toxic effects can be exacerbated throughout a person’s lifetime
and across generations. How?
PART C

Answer any two full questions; each carries 20 marks.
What are the direct and indirect effects on soil quality due to excessive and
intensive irrigation practices?
Can urbanisation cause land degradation through climate changes? Justify your
answer.
What is meant by organic farming? What are its advantages?
Enlist the various non-industrial sources of noise with their typical noise levels.
What are weighting networks in sound level meters? Mention the different types
and importance of each weighting network.
How noise is controlled at the source of generation?
What is meant by soil acidification? How does it affect agricultural productivity
and sustainable farming systems?
Mining and its subsequent activities have been found to degrade the land to a
significant extent. Suggest suitable control measures for this.
What are the basic sound absorption technologies used for noise reduction in
buildings?

What is meant by occupational hearing loss? How this is prevented?

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