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Ens 344: Municipal Solid Waste Question Paper

Ens 344: Municipal Solid Waste

Course:Bachelor Of Environmental Science

Institution: Pwani University question papers

Exam Year:2013

INSTRUCTIONS: ANSWER ALL QUESTIONS IN SECTION A AND ANY TWO IN SECTION B
SECTION A: ANSWER ALL QUESTIONS (40 MARKS)
Question 1
a)Briefly describe the following terms:
i)Waste management[2 marks]
ii)Clean Technology[2marks]
iii)Energy recovery[2marks]
b)Explain how the following methods are used in separation of waste.
i)Air-classifier[3marks]
ii)Optical sorting[3 marks]
c)i)State three sources of solid waste in Kenya urban centers[3marks]
ii)Explain briefly the“Polluter Pays Principle, (PPP)”[2 marks]
iii)Explain what is meant by refuse derived fuel(RDF)and state its limitations[3marks]
d)Describe briefly the following solid waste disposal methods stating their environmental implications:
i)Sanitary Landfills[4marks]
ii)Incineration[4marks]
iii)Composting[4marks]
e)i)What is integrated solid waste management?[2 marks]
ii)Discuss three challenges facing local authorities in Kenya in solid waste management.[6 marks)
SECTION B: ANSWER ANY TWO QUESTIONS (30 MARKS)
Question2
Explain the following principles used as a waste minimization strategy:
a)Reuse[4 marks]
b)Recycle[5marks]
c)Recover[6marks]
Question3
Discuss the following methods of communal waste storage and state the challenges associated with each method
a)Enclosures[8marks]
b)Fixed storage bins[7marks]
Question4
Discuss the following thermal methods of waste management
a)Pyrolysis[8 marks]
b)Gasification[7 marks

Ens 344: Municipal Solid Waste Question Paper

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