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Hydrology and Water Resource Engineering Question Paper - Jun 18 - Civil Engineering (Semester 5) - Pune University (PU)
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Hydrology and Water Resource Engineering - Jun 18
Civil Engineering (Semester 5)
Total marks: 70
Total time: 150 mins
INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.
1.a.
the isohytes due to storm were having following data:
(4 marks)
00
| isohytes[mm] | Area[$\mathrm{km}^{2}$] |
|---|---|
| 150 | 40 |
| 170-150 | 150 |
| 150-140 | 70 |
| 140-130 | 200 |
Find the weighted precipitation for total catchment area
1.b.
Why isohytel method of determination of average rainfall is more accurate than other two?
(3 marks)
00
OR
2.a.
What are the different types of rain gauges/ Explain non-recording type rain gauge with neat sketches.
(4 marks)
00
2.b.
Explain any four factors affecting Evaporation of water from reservoir.
(3 marks)
00
3.a.
Derive relationship between duty and delta.
(4 marks)
00
3.b.
Write a short note on assessment of canal revenue?
(3 marks)
00
OR
4.a.
Estimate the number of days required between two watering for a crop having following data:
(7 marks)
00
i) Field capacity = 30%,
ii)permanent wilting point = 15%
iii)Apparent density of soil = 755.55 mm,
iv) daily consumptive use of water for crop = 10 mm
5.a.
A 30 cm diameter well is pumped at a uniform rate of $\mathrm{m}^{3} / \mathrm{min}$ in 230 m thick aquifer . Drawdown observed at 2 m and 200 m distances from centre of well are 10 m and 0.5 respectively. Determine aquifer constant of water bearing statum.
(3 marks)
00
5.b.
Distinguish between unconfined aquifer and perched aquifer.
(3 marks)
00
OR
6.a.
State assumption in Dupits theory.
(3 marks)
00
6.b.
Explain application of Darcys law.
(3 marks)
00
7.a.
Define unit hydrograph. State factors affecting the unit hydrograph. Explain the components with the help of sketch.
(8 marks)
00
7.b.
Explain extreme value (Gumbel) distribution.
(8 marks)
00
OR
8.a
State various methods to estimate flood and explain rational method in detail.
(8 marks)
00
8.b.
What is scurve hydrograph > Explain its components and construction with a neat sketch.
(8 marks)
00
9.a.
Explain the different steps involved in calculating the useful life reservoir.
(8 marks)
00
9.b.
Write a note on B/C ratio for reservoir Explain any two methods.
(8 marks)
00
OR
10.a.
Explain types of reservoir and explain the points considered for selecting the site for a reservoir and state the investigation required for construction of reservoir.
(8 marks)
00
10.b.
Explain I.S.D method of flood routing.
(8 marks)
00
11.a.
What are the field information to be collected before providing Drainage channel to Irrigated Land? Explain Sub-Surface and Surface Drain.
(6 marks)
00
11.b.
Explain the Participation Irrigation Management ? Explain Need and Objective of farmer Participation in Irrigation Management.
(6 marks)
00
11.c.
How water management can be applied while Irrigation.
(6 marks)
00
12.a.
What is water logging ? State methods to improve the sub-surface drainage.
(6 marks)
00
12.b.
Explain different irrigation acts?
(6 marks)
00
12.c.
Explain different method of reclamation of water logged land.
(6 marks)
00
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