1.a Estimate the total volume of rainfall water received in $\mathrm{m}^{3}$ over a basin of 4444 hectare for following data:

Station	1	2	3	4	5
Polygon area(ha)	518	777	906	1495	748
Observed rainfall(mm)	267	198	142	114	81

1.b. Explain Area-velocity method of discharge measurement

2.a. Explain construction and application of DAD curves with sketch.

2.b. The rates of rainfall for successive 20 minutes period of a 140 minutes duration storms are 2.5, 2.5, 10.0, 7.5, 1.25 and 5.0 cm/hr. Taking the value of index as 3.2 cm/hr, estimate the net Run-off (surface).Also determine 'W'- index.

3.a. Explain various methods of assessment of canal revenue. State constraints of each.

3.b. Determine reservoir capacity for command area of 40,000 hectares , canal losses = 10 %, and reservoir losses =10%

Crop	Base period(days)	Duty ha/cumecs	Intensity of irrigation (%)
Sugarcane	360	1700	20
Cotton	180	1500	10
Wheat	120	1800	20
Rice	120	700	15
Vegetables	120	700	15

4.a. After how many days you will supply water to soil in order to ensure sufficient irrigation of given crop ,if field capacity of the soil = 30% permanent wilting point = 12%, density of soil =1.25 gm/cc, effective depth of root zone = 60 cm and daily consumptive use of water for crop =12.5 cm. Assume that readily available moisture is 80% of the available water .

4.b. State principal Indian crops and explain importance of crop rotation.

5.a. A 20 cm well penetrates 30 m below static water level(GWT). After long period of pumping at a rate 1800 rpm, the drawdown in the observation wells are 12 m and 36 m from the pumped well are 1.2 m and 0.5 m respectively.

Determine :

i)transmissibility of the aquifer.

ii) drawdown in the pumped well assuming R= 300m.

5.b. Explain the perched water table.

6.a. Write explanatory note - Validity of Darcy's law.

6.b. Derive the Dupit's equation for unconfined aquifers .state assumptions .

7.a. The ordinate of 4-hour unit hydrograph in particular basin are given below .Determine the ordinate of the S-hydrograph and also the ordinate of 6-hour unit hydrograph.

Time(Hrs)	0	2	4	6	8	10	12	14	16	18	20	22	24
4- hour unit Hydrograph ordinate (cumecs)	0	25	100	160	190	170	110	70	30	20	6	1.5	0

7.b. What are different methods of estimation of flood . Explain any one .

8.a. Define 'Recurrence internal' and 'frequency' as applied to annual floods.Explain Gumble's method.

8.b. What is "S" curve hydrograph? Explain its component and construction witch a sketch.

9.a. Explain flow mass curve and explain the step by step procedure to determine the reservoir capacity and surplus water.

9.b. What are different looses which take place from reservoir . Also write method to control it.

10.a. Explain Fixation of reservoir capacity using elevation capacity curve and dependable yield.

10.b. What is Flood routing ? State different methods. Explain any one in detail.

11.a. Explain rotational water supply system.

11.b. Describe the role of auto weather station in water management.

11.c. What are causes of becoming land alkaline and saline .Suggest remedies.

12.a. Explain water logging - process, causes and curative measures.

12.b. What is PIM? Why is it needed in Indian.

12.c. Compare 'Warabandi' with with cooperative water distribution system.