SPPU Civil Engineering (Semester 5)
Hydrology and Water Resources Engineering
May 2017
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


Solve any one question from Q.1(a,b) &Q.2(a,b)
1(a) Explain applications of hydrology.
5 M
1(b) Explain Thiessen's method of estimate mean precipitation.
5 M

2(a) State the formula to calculate optimum number of raingauges. Explain the terms in the formula.
5 M
2(b) State deltas for Gram, Maize, Sugarcane, Rice and cotton also explain methods of improve duty.
5 M

Solve any one question from Q.3(a,b) &Q.4(a,b)
3(a) Differentiate between sub- surface irrigation and sprinkler irrigation system.
5 M
3(b) Explain with neat sketch tipping bucket type gauge to determine the stage of river and also state the advantages of thic gauge.
5 M

4(a) Derive the formula to calculate discharge of a well in a confined aquifer.
6 M
4(b) State various types of tube wells and explain construction of Soltted Type Tube well.
4 M

Solve any one question from Q.5(a,b) &Q.6(a,b)
5(a) What is hydrograph? Explain all the parts of typical hydrograph. Explain fern shaped catchement.
8 M
5(b) Maximum values of 24 hour precipitation (mm) at a Rainguage station are 140, 113, 132, 115, 130, 118, 127, 123, 121. Estimate maximum and minimu precipitation having a recurrence interval of 5 and 15 years. Use Hazen's Method. Use graphical method.
10 M

6(a) What is S-curve hydrograph? Explain its construction with sketch.
8 M
6(b) In a 10 hr strom rainfall depths occured over a the catchment are
Hour 1 2 3 4 5 6 7 8 9 10
Depths (cm/hr) 1 1.5 5 6 10.5 8.5 9 7 1.5 1.5

Surface runoff resulting from the storm is eqivalent to 20 cm of depth over the catchment. Determine
i) Average infiltration,
ii) Average rate of infiltration
10 M

Solve any one question from Q.7(a,b) &Q.8(a,b)
7(a) Explain how wil you fix the capacity of reservoir using annual inflow and outflow.
8 M
7(b) Explain fixation of reservoir capacity using elevation capacity curve and dependable yield.
8 M

8(a) What are the various reservoir losses? What are various measures to control these losses.
8 M
8(b) What is reservoir sedimentation? What is the significane of trap efficiency? Explain with neat sketch.
8 M

Solve any one question from Q.9(a,b) &Q.10(a,b)
9(a) Write note on ancient system of water distribution which still exist in North Maharashtra.
8 M
9(b) Explain Global Water Partnership (GWP).
8 M

10(a) What is water logging? Explain tile drain mehtod and also state formula for spacing of tile drains.
8 M
10(b) Draw a neat section for lift irrigation scheme and state various components of lift irrigation scheme. Explain various design steps in lift irrigation system.
8 M



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