Btech Ce 7 Sem Water Resources Engineering Nce702 2018
Btech Ce 7 Sem Water Resources Engineering Nce702 2018
Btech Ce 7 Sem Water Resources Engineering Nce702 2018
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Printed pages: 02 Sub code: NCE702 / ECE702
Paper Id 0 0 4 3 Roll
No.
B.TECH
(SEM VII) THEORY EXAMINATION 2017-18
WATER RESOURCES ENGINEERING
Time: 3 Hours Total Marks: 100
Note: 1. Attempt all Sections. If require any missing data; then choose suitably
SECTION A
1. Attempt all questions in brief. 2 x10 = 20
a. What is hydrologic cycle? Write different components of hydrologic cycle.
b. What is transpiration? What are different factor that affect transpiration?
c. Write short note on Standard project flood (SPF).
d. What is Phreatic line? What is its use?
e. What is crop rotation?
f. Discuss the economic viability of lining of canal.
g. What are the basic principles of regulation of a canal system?
h. Write short note on well loss and well efficiency.
i. What is water logging?
j. What is Dupit’s theory?
SECTION B
2. Attempt any three of the following: 10 x 3 = 30
a. What is S-hydrograph? How would you derive a S-hydrograph? Discuss the
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SECTION C
3. Attempt any one part of the following: 10 x 1 = 10
(a) What is infiltration capacity? What are the different factors affecting
infiltration rates? Describe infiltration indices which are commonly used.
(b) What do you understand by the rainfall intensity? Explain the methods for the
preparation of the intensity duration curves and the intensity duration curves.
What are their uses?
4. Attempt any one part of the following: 10 x 1 = 10
(a) The ordinate of a 4 hour unit hydrograph are given below. Using the principle
of superposition construct an S hydrograph and calculate the discharge at
equilibrium stage and the time of its occurrence from the beginning of direct
runoff.
Time 0 4 8 12 16 20 24
(hour)
cumec 0 4 12 6 3 1 0
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(b) What do you understand by consumptive use of water? How it different from
evapotranspiration?
What are advantages of non equilibrium equation over the steady flow
equation?
(b) Differentiate between open wells and tube well. What are the advantages of
tube well over open well?
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