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Set 459: Water And Sanitation Engineering I Question Paper

Set 459: Water And Sanitation Engineering I

Course:Construction Engineering

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
INSTITUTE OF OPEN LEARNING (IOL)
UNIVERSITY EXAMINATIONS 2008/2009
EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE
(CONSTRUCTION ENGINEERING)

SET 459:
WATER AND SANITATION ENGINEERING I

DATE: Wednesday, 7th January, 2009

TIME: 10.00 a.m. – 12.00 p.m.
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INSTRUCTIONS:
This paper contains FIVE questions. Attempt THREE questions only.
Question 1
Explain why physical, chemical and biological characteristics are important qualities in
deciding the type of wastewater treatment.

(20 marks)

Question 2
a)
Describe the functions of a conventional trickling filter in the treatment of
wastewater.

(10 marks)
b)
Describe in detail the causative and preventive measures for filariasis.

(10 marks)

Question 3
a)
Conventional water-borne sewerage may not be applicable in rural areas.
Discuss.

(10 marks)
b)
Explain why waste stabilization ponds are a preferred option for wastewater
treatment in warm climate countries.

(10 marks)
Question 4
Describe in detail how drainage is used as a suitable engineering method to prevent the
transmission of malaria.

(20 marks)

Question 5
Disposal by dilution and disposal on land are the two general methods for final effluent
disposal. Discuss their merits and demerits explaining the conditions favourable for their
adoption.

2

Set 459: Water And Sanitation Engineering I Question Paper

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