UNIT-1
Q-1.Explain Hydrological Cycle & its components?
Q-2.Enumerate different types of raingauge with neat sketch diagram?
Q-3.Explain the Computation of runoff . Describe various factors affecting runoff.
Q-4.Describe Base flow separation and its methods in detail with Hydrograph.
Q-5.What is unit Hydrograph? Describe the procedure of using a unit hydrograph to develop the flood List the assumptions involved in the unit hydrograph Theory.
Q-6.A catchment has seven rain gauge stations. In a year, the annual rainfalls recorded by the gauges are as follows.
|
Station |
P |
Q |
R |
S |
T |
U |
V |
|
Rainfall (cm) |
130.0 |
142.1 |
118.2 |
108.5 |
165.2 |
102.1 |
146.9 |
Q-7.Determine the standard error in the estimation of the mean rainfall in the existing set of rain gauges.
Q-8.For a 5% error in the estimation of the mean rainfall, calculate the minimum number of additional rain gauge station to be established in the catchment.
Q-9.A 3h Unit Hydrograph for a basin has the following ordinates. Using the S-curve method determine 9-h unit hydrograph ordinates.
|
Time (h) |
0 |
3 |
6 |
9 |
12 |
15 |
18 |
21 |
24 |
27 |
30 |
33 |
36 |
|
Discharge (m3/sec) |
0 |
12 |
75 |
132 |
180 |
210 |
183 |
156 |
135 |
144 |
96 |
87 |
66 |
UNIT-2
Q-10. Find the delta for a crop if the duty for a base period of 110 days is 1400 hectares/cumec. Q-11. Define (a) Crop rotation (b) Crop ratio (c) Consumptive use \
Q-12. Write down various advantages and disadvantages of irrigation? Describe various methods of irrigation with neat sketch.
Q-13. What is duty and delta? Derive a relationship between them. Describe various factors affecting duty.
Q-14. Define the following (a) Crop Rotation (b) Base Period
(c) Filed Capacity (d) Wilting Coefficient
Q-15. Define Irrigation & its necessity? Write down various advantage and disadvantages of irrigation? Explain Irrigation development.
Q-16. Explain various type of Irrigation method?
Q-17. Find the delta for a crop if the duty for a base period of 100 days is 1200 hectares/cumec.
Q-18. The root zone of an irrigation soil has dry unit weight of 15 KN/m3 and a field capacity of 30%. The root zone depth of a certain crop, having permanent wilting percentage of 8% is 0.8m. Determine (a) depth of moisture in the root zone at filed capacity (b) depth of moisture in the root zone at permanent wilting point, and (c) depth of water available.
UNIT-3
Q-19. Write down various aquifer properties.
Q-20. State and discuss assumptions and limitations of Dupit’s Theory. Derive expression for discharge from a well in unconfined aquifer or confined aquifer (anyone).
Q-21. What do you understand by recuperation test? Derive the equation used in the test. Q-22. Discuss advantages & disadvantages of well irrigation.
Q-23. Show, with the help of sketch, various types of well.
Q-24. The following observations were recorded during a pumping out test on tube well penetrating fully in a aquifer.
Well diameter = 25cm
Discharge from the well= 300 m3/ hour
R.L. of original water surface, before pumping started= 122m
R.L. of water in the well at constant pumping =117.1 m
R.L. of water in the observation well =121.3m
R.L. of impervious layer=92.0m
Radial distance of observation well from tube well =50m Q-25. Determine:
(a)
Field permeability coefficient of the aquifer (b)
radius of zero drawdown Q-26. Design a tube well for the
following data:
(i)
Yield required = 0.08 cumec
(ii)
Thickness of confined aquifer= 30m
(iii)
Radius of circle of influence = 300m
(iv)
Permeability coefficient = 60m/day
(v)
Drawdown = 5m
UNIT-4
Q-27. Describe Kennedy’s silt theory. Write down the design steps of channel by Kennedy’s theory.
Q-28. Explain Lacey’s Regime Theory? Write down regime conditions. Draw and discuss channel section according to lacey’s theory.
Q-29. What do you understand by Canal lining? Explain various types of lining an necessity of lining.
Q-30. Explain different types of hydraulic structure with suitable sketch.
Q-31. Design an irrigation Channel on Kennedy’s theory, to carry a discharge of 45 cumecs.
Take N=0.0225 and m=1.05. The channel has a bed slope 1 in 5000.
Q-32. The slope of channel in alluvium is S= 1/5000; Laceys’ silt factor=0.9 and channel side
slope =1:1.
Find the channel section and maximum discharge which can be allowed to
2
flow in it.
UNIT-5
Q-33. Discuss about water resources in India?
Q-34. Explain use of GIS in water resources.
Q-35. Describe flood routing through reservoirs and channels. Q-36. Explain various methods of the flood peak magnitude. Q-37. Describe use of GIS for Water Resources
Q-38. Discuss Planning of water resources projects
Q-39. For a river, the estimated flood peaks for two return periods by the use of Gumble’s method are as follows:-
|
Return Period T (Years) |
Peak flood (m3/sec) |
|
100 |
435 |
|
50 |
395 |
When flood discharge in this river will have return period of 1000 years.
Q-40. Annual maximum recorded floods in the river bhima at deorgaon, a tributary of the river Krishna, for the period 1951 to 1961 is given below.
|
Year |
Maximum Flood (m3/s) |
|
1951 |
2947 |
|
1952 |
3521 |
|
1953 |
2399 |
|
1954 |
4124 |
|
1955 |
3496 |
|
1956 |
2947 |
|
1957 |
5060 |
|
1958 |
4903 |
|
1959 |
3757 |
|
1960 |
4798 |
No comments:
Post a Comment
if you have any doubt please let me know
Note: Only a member of this blog may post a comment.