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Conservancy And Drainage Question Paper

Conservancy And Drainage

Course:Bachelor Of Science In Environmental Health

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2009/2010
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF
HEALTH (ENVIRONMENTAL HEALTH)
HEH 209: CONSERVANCY AND DRAINAGE

DATE: Thursday 24th December, 2009 TIME: 11.00 a.m. – 1.00 p.m.

INSTRUCTIONS
This paper contains Section A and B. Section A is Short Answer Questions while
Section B is Long Essay Questions.

SECTION A
Answer ALL the questions in this Section. This Section carries 20 marks.
1.
Outline major factors to consider in designing, construction and management of
new
drainage
systems. [4
marks]

2.
Briefly explain the impact of wetland drainage on environmental health.

[4 marks]
3.
Briefly highlight the impact of inefficient irrigation systems on environmental and
human
health.
[4
marks]

4.
What are the merits and demerits of surface and subsurface drainage systems?

[4 marks]
5.
Using any one drainage basin in Kenya, briefly highlight the main ecological
sanitation
concerns.
[4
marks]

Page 1 of 2

SECTION B
Answer question ONE and any other TWO (2) questions.
1.
Discuss factors to consider in utilization of urban storm run-off.
[20 marks]
2.
Discuss major considerations in reuse of the drainage water.
[15 marks]
3.
Salinization is a major challenge in irrigation schemes in Kenya. Discuss.

[15 marks]
4.
Discuss how best to manage water logging problems in irrigation schemes.

[15 marks]
5.
Discuss strategies to improve the quality of the drainage water at the field level.

[15 marks]

……………………….

Page 2 of 2

Conservancy And Drainage Question Paper

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