Search This Blog

Friday, 24 January 2014

Elementary Irrigation engineering-model question paper for B.E/B.Tech/M.E/M.Tech Engineering

1(a) Discuss critically the quality standards required for irrigation water. (6 Marks)
(b) Discuss the usefulness of C2-S2 water for irrigating fine textured soils. (4 Marks)
(c) Discuss briefly the factors effecting duty. (6 Marks)
(d) A reservoir with a live storage capacity of 300 million cubic meters is able to irrigate an ayacut of 40000 hectares with 2 fillings each year. The crop season is 120 days. What is the duty? (4 Marks)
2(a)What are the different ways in which canals can be aligned / Discuss their comparative utility for a particular project. (6 Marks)
(b) Define intensity of irrigation, capacity factor and nominal duty. (6 Marks)
(c) Discuss with neat sketches, the salient features of brick tile linings. (4 Marks)
(d) Discuss the methods which are adopted for plugging canal breaches. (4 Marks)
3(a)Write a note on design of channels in alluvial soils and non-alluvial soils. (8 Marks)
(b)Discuss the method of designing irrigation canals based on Lacey's theory. (4 Marks)
(c) Design an irrigation channel with the following data:
Discharge=40 cumecs, B/D ratio=2.5, critical velocity ratio=1.
Assume a suitable value of Kutter's rugosity coefficient. Use Kennedy's method. (8 Marks)
4 (a) Write a short note on water-logging. (4 Marks)
(b)What precautions you will take to prevent salinity of irrigated lands. (4 Marks)
(c) Write and explain 4 important formulas for the estimation of peak rate of run-off. (8 Marks)
(d) Discuss the velocity area method used for stream gauging. (4 Marks)
5(a) What are Levees and what purpose is served by them? (4 Marks)
(b) Differentiate hockey shaped groyne and T-shaped groyne. (6 Marks)
(c) Draw a typical sketch of a silt extractor and name its various components. (6 Marks)
(d)What is the importance of hydraulic jump in the design of irrigation structures. (4 Marks)
6(a) What are the different methods of passing a canal across a drain? Draw typical sketches of the three types of cross-drainage works. (8 Marks)
(b)What are canal falls and write a note on energy dissipators for canal falls. (6 Marks)
(c) Draw neat sketches for the two important types of metering flumes. (6 Marks)
7 (a) Distinguish between solid gravity dams and hollow masonry gravity dams. (6 Marks)
(b) Write notes on overturning and crushing. (4 Marks)
(c) What is reservoir silting? How does it affects the useful life of a reservoir? (4 Marks)
(d) Describe with a neat sketch the construction and working of an ogee spillway. (6 Marks)
8(a)Explain cone of depression and radius of influence. (6 Marks)
(b) What is meant by a tube well and how is it constructed? (6 Marks)
(c) The maximum yield of a shallow well is always limited. why? (4 Marks)
(d) Design an open well in coarse sand for a yield of 0.004 cumecs when operated under a depression head of 3 meters. (4 Marks)

No comments:

Post a Comment