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E1198 Pages: 3

rate is 0.82/h.

What are the assumptions of Unit hydrograph theory?

What is runoff? What are the factors affecting Runoff?

In a catchment area, the annual rainfall recorded by rain gauges A, B, C, D, E
and F are 52, 63, 35, 56, 40 and 59 cm respectively. For a 10% error in estimation
of mean rainfall, calculate the optimum number of rain gauges in the area.

What are the different types of precipitation?

PART 13

Answer any two full questions, each carries 15 marks.
What are the factors affecting Duty of water of a canal system?
What is Gross Commanded Area, Culturable commanded area and Unculturable
commanded area?
What are the general features of Meandering of rivers?
What are River Training works? What are the classifications of River Training
works?
A stream of 120 litre/s was diverted from a canal and 100 litre/s were delivered in
the field. An area of 2 hectares was irrigated in 10 hours. The runoff loss in the
field was 420 ന്‌. Effective depth of root zone was 1.5 m. Determine Water
conveyance efficiency and Water application efficiency.
What 15 Consumptive use of water? List the methods by which it is determined?
What is Stream Gauging? What are the factors to be considered while selecting a
Stream gauging site?
What is a Stage — Discharge curve?

What is Field capacity and Permanent wilting point?

PART C
Answer any two full questions, each carries 20 marks.
Describe the types of Tube wells?
What are the factors affecting selection of site for a reservoir?
A 30 cm diameter well penetrates 20 m below the static water table. After 24

hours of pumping at the rate of 4000 litre/minute ,water level in a test well 85m

away from the main well is lowered by 0.48 m, and in a test well 35 m away from

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