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WRM721S - WATER RESOURCES MANAGEMENT - 1ST OPP - NOV 2024 |
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nAml BIA UnlVERSITY
OF SCIEnCE Ano TECHnOLOGY
FACULTYOF HEALTH,NATURALRESOURCESAND APPLIEDSCIENCES
SCHOOLOF AGRICULTUREAND NATURALRESOURCESSCIENCES
DEPARTMENTOF AGRICULTURALSCIENCEAND AGRIBUSINESS
QUALIFICATIONS:BACHELOROF SCIENCEIN AGRICULTURE
QUALIFICATIONSCODE: 07BAGA LEVEL:7
COURSECODE:WRM721S
DATE: NOVEMBER 2024
DURATION: 3 HOURS
COURSENAME: WATER RESOURCESMANAGEMENT
PAPER:1
MARKS: 100
EXAMINER:
MODERATOR:
FIRSTOPPORTUNITY EXAMINATION QUESTION PAPER
DR. GABRIELNGUNGAA HANGARA
DR. VALENTINE Y. KATIE
INSTRUCTIONS
1. Answer all the questions.
2. Write neatly and clearly.
3. Mark all answers clearly with their respective question numbers.
4. All written work MUST be done in blue or black ink.
5. No books, notes and other additional aids are allowed.
PERMISSIBLEMATERIALS
1. Calculator
2. Examination paper
3. Examination script
THIS QUESTION PAPERCONSISTSOF 2 PAGES
(ExcludingThis Front Page)
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QUESTION 1
Illustrate and explain the hydrologic cycle.
[20]
QUESTION 2
Differentiate and explain the two major types of health effects resulting from contaminated
water.
[10]
QUESTION 3
3.1 How do you understand rainwater harvesting?
(4)
3.2 What are the benefits of rainwater harvesting?
(4)
QUESTION 4
What are the 3 goals of water conservation and define each.
(6)
QUESTION 5
Calculate the SAR, KR, Na%, MAR, TH, SSPand PSby using the water parameter in the table
below.
Use the following conversion factor to mg/I as follows {Ca: 0.0499; Mg: 0.0823; Na: 0.0435;
K:0.0256; HCO3:0.0164; CO3: 0.033; Cl:0.0282; SQ4:0.0208; NO3:0.0l6l; NH4: 0.0554)
(21)
Water parameters
pH
Conductivity
TDS (determined)
Turbidity
Colour
Sulphate as soi-
Chloride as Cl
Fluoride as F
Nitrate as N
Nitrite as N
Silica as SiO2
P-Alkalinity as CaCO3
T-Alkalinity as CaCO3
T-Hardness as CaCO3,cal.
Calcium as Ca
Magnesium as Mg
Sodium as Na
Potassium as K
Iron as Fe
Manganese as Mn
Unit
mS/m
mg/I
NTU
Pt
mg/I
mg/I
mg/I
mg/I
mg/I
mg/I
mg/I
mg/I
mg/I
mg/I
mg/I
mg/I
mg/I
mg/I
mg/I
Value
7.1
230.0
1292
1.2
10.0
93
382
3.7
17
0.1
54
0
451
501
118
50
295
7.4
0.07
0.01
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QUESTION 6
What types of information are included in the water legislation?
QUESTION 7
Give 8 methods of Water Conservation.
(10)
(8)
QUESTION 8
What are the four main sources of water common in rural community?
(4)
QUESTION 9
What are the four general areas of water use to consider on the farmland?
(4)
QUESTION 10
What are the 3 biological contaminants that occur in water and give 2 examples of diseases
resulting from each.
(9
END OF QUESTION PAPER
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