STUPIDSID
1 (a)
Describe with the help of sketch various forms of soil moisture. Which of these
moisture is mainly available for utilization by the plants?
7 M
1 (b)
Explain the terms (i) Duty (ii) Delta and (iii) Base period. Derive the relation
between Duty, Delta and Base period.
7 M
2 (a)
Explain the salient features of the drip irrigation system. What are the
advantages and disadvantages of the drip irrigation?
7 M
2 (b)
Explain the procedure for designing an irrigation channel using Kennedy's
theory, when Q, N, m & S are given.
7 M
2 (c)
The base period, intensity of irrigation and duty of various crops under a canal
system are given in table below. Determine the reservoir capacity if the canal
losses are 20% and reservoir losses are 12%. Culturable commanded area is
20,000 hectares.
| Crop | Base period (days) | Day of water at the field (hectare/cumec) | Intensity of irrigation (%) |
| Wheat | 120 | 1800 | 20 |
| Sugarcane | 360 | 1700 | 20 |
| Cotton | 180 | 1400 | 10 |
| Rice | 120 | 800 | 15 |
| Vegetables | 120 | 700 | 15 |
7 M
3 (a)
Explain the procedure for designing an irrigation channel using Lacey's theory.
7 M
3 (b)
Design an irrigation channel by Kennedy's theory to carry a discharge of 50
cumec. Take N = 0.0225 and m = 1.05. Bed slope is 0.2m per kilometer.
7 M
3 (c)
What is canal lining? Explain advantages and disadvantages of canal lining.
7 M
3 (d)
Design a lined concrete channel, trapezoidal in section to carry a discharge of 200 cumec at a slope of 30cm/km. The Manning's N = 0.017, and side slopes
are 1.5:1. The limiting velocity in the channel is 2m/s.
7 M
4 (a)
Explain causes of failure of weirs on pervious foundation and their remedies.
7 M
4 (b)
Sketch the layout of a typical diversion head works and describe briefly the
functions of the various components of diversion head works.
7 M
4 (c)
Describe Bligh's creep theory for the design of weir over pervious foundation.
7 M
4 (d)
What are the ill effects of water logging? How do you prevent water logging?
7 M
5 (a)
Describe with the help of neat sketches the various types of cross drainage
Works.
7 M
5 (b)
What is canal fall? Why is it necessary to provide a fall in a canal? Explain with
sketch Ogee fall.
7 M
5 (c)
List the various methods for estimating maximum flood discharge and explain
unit hydrograph method.
7 M
5 (d)
What is an escape? What are different type of escapes? Explain working of each
Type.
7 M
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