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Hydrology and Water Resource Engineering Question Paper - Dec 17 - Civil Engineering (Semester 5) - Pune University (PU)
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Hydrology and Water Resource Engineering - Dec 17
Civil Engineering (Semester 5)
Total marks: 70
Total time: 150 Hours
INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.
1.a.
Explain Application of Hydrology.
(5 marks)
00
1.b.
State deltas for gram, maize , sugarcane , rice and cotton also explain methods to improve duty.
(5 marks)
00
OR
2.a.
State the formula to calculate optimum number of rainguages . Explain the different terms in formula.
(5 marks)
00
2.b.
Differentiate between sub-surface irrigation and sprinkle irrigation.
(5 marks)
00
3.a.
Derive the formula to calculate discharge of a well in a confined aquifer.
(5 marks)
00
3.b.
State various types of tube well.Explain Any one in detail.
(5 marks)
00
OR
4.a.
Determine the capacity of reservoir from the following data. The CCA is 80000 hectares. Assume canal and reservoir losses as 5% and 10% respectively.
(6 marks)
00
| Crop | Base period(days) | Duty (hect/cumecs) | Intensity of irrigation(%) |
|---|---|---|---|
| Rice | 120 | 1800 | 25 |
| Wheat | 150 | 2000 | 30 |
| Sugarcane | 320 | 2500 | 20 |
4.b.
Explain the following.
i) Aquifer
(4 marks)
00
ii) Aquiclude
iii) Specific Yield of an Aqifer.
iv) Porosity of soil
5.a.
The ordinate of 6 h unit hydrograph are given below:
(10 marks)
00
| Time(h) | 0 | 6 | 12 | 18 | 24 | 30 | 36 | 42 | 48 | 54 | 60 | 66 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ordinate of 6 h UH $\left(\mathrm{m}^{3} / \mathrm{s}\right)$ | 0 | 20 | 60 | 150 | 120 | 90 | 66 | 50 | 32 | 20 | 10 | 0 |
It two storms , each of 1 - cm excess rainfall and 6 h duration occurs in succession , calculate the resulting hydrograph of flow. Assume base flow to be 10 $\mathrm{m}^{3} / \mathrm{s}$
5.b.
What is unit Hydrograph? Draw a single peaked hydrograph showing its all components. Also state the uses of hydrograph.
(8 marks)
00
OR
6.a.
what is unit Hydrograph? Draw a single peaked hydrograph showing its all components. Also state the uses of hydrograph.
(8 marks)
00
OR
6.a.
What is S curve Hydrograph ? Explain its construction with sketch.
(9 marks)
00
6.b.
Explain Gumbels flood frequency analysis method.
(9 marks)
00
7.a.
Explain how will you fix the capacity of the reservoir using annual inflow and outflow.
(8 marks)
00
7.b.
Explain fixation of reservoir capacity using elevation capacity curve and dependable yield.
(8 marks)
00
8.a.
what are various reservoir losses?Explain various measures to control these losses.
(8 marks)
00
8.b.
what is reservoir sedimentation? What is significance of trap efficiency ? Explain with neat sketches .
(8 marks)
00
9.a.
Write a short on ancient system of water distribution which still exist in North Maharashtra.
(8 marks)
00
9.b.
Explain Global Water Patnership (GWP)
(8 marks)
00
OR
10.a.
What is water logging? Explain tile drain formule and also state formule for spacing of tile drain.
(8 marks)
00
10.b.
Draw a neat sketch for irrigation scheme for lift irrigation scheme and state various components of lift irrigation scheme. Explain various design steps in lift irrigation system.
(8 marks)
00
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