Biju Patnaik University of Technology 2008-8th Sem B.Tech Water Resources Management - Question Paper

Total number of printed pages - 6

Eighth Semester Examination - 2008

WATER RESOURCE MANAGEMENT Full Marks - 70

Time : 3 Hours

Answer Question No. 1 which is compulsory and any five from the rest.

The figures in the right-hand margin indicate marks.

2x10

(a)    What percentage of total water available in the globe can be utilized as drinking water.

(b)    Mention 4 adverse effects of water resources project in the environment.

(c)    How the height of dam is fixed from the known value of required volume of reservoir ?

(d)    What is irrigation scheduling ?

(e)    Mention two examples where linear programming in used in water resources project planning.

(f)    In which situation Dynamic programming can be applied in water resourses project planning ?

(g)    What is the impact of water resources project on river regime ?

(h)    Mention two advantages and two disadvantages of inter-basin transfer.

(i)    What is the role of benefit cost ratio for evaluation of water resources projects ?

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(j) What is conjunctive use in water resources project ?

2.    Quantified hydrological cycle in essential for making the planning of water resources for a region. Show an authenticated quantified hydrological cycle.    10

3.    The following table gives the details about the average seasonal discharges of a river for the duration of 1963-1971. Determine the storage capacity required to maintain a flow of 475 cumecs throughout the year.    10

Year	Season	Winter	Summer
	June-September	Oct-March	April-May
	(cumecs)	(cumecs)	(cumecs)
1971-71	2000	150	120
71-72	1200	350	65
72-73	1400	400	100
73-74	3600	200	80
74-75	3000	150	120
75-76	700	210	50
76-77	800	320	80
77-78	2400	120	120

4.    (a) Why it is felt the interbasin transfer is

necessary in Indian context ? Discuss the difficulties to implement it.    5

(b) Considering the peak and non-peak hour power requirement, discuss the way of operation of hydropower and other power system.    5

5.    (a) There are two drinking water project

alternatives. In alternative-1, 6 corers

rupees will be spend in first year and 1

crore rupee will be obtained as water tax

for 10 years of life of the project. In

alternative-2, 7 crores rupees will be

spend on construction in first year and

1 crore rupee will be spend annually on

maintenance. Because of better mainte-PECE 8409    4    Contd

nance, this project will give return of

2 crores annually for 2 years of life of the project. Which alternative in better considering only the economic criterion. The interest rate may be assumed constant @6%. 10

6.    Explain the operation of water resources project for

(a)    conservative purpose

(b)    Non conservative purpose.    10

7.    What is effect of sedimentation of the life of the project ? Explain various short term and long term precautions for increasing the life against sedimentation at various stages of project.    10

(a)    Rule curve

(b)    Conjective use of surface and ground water

(c)    Pre-release

(d)    Riperian right.

PECE 8409    6    -C

Attachment: biju-patnaik-university-of-technology-2008-b-tech-36113-1.pdf

Earning:   Approval pending.