JNTU Kakinada B-Tech 4-1 WATER RESOURCES ENGINEERING – II R13 March 2018 Question Paper

IV B.Tech I Semester Supplementary Examinations, February/March – 2018
WATER RESOURCES ENGINEERING – II (Civil Engineering)Time: 3 hours Max. Marks: 70
Question paper consists of Part-A and Part-B
Answer ALL sub questions from Part-A
Answer any THREE questions from Part-B
*****

PART ?A (22 Marks)1. a) What do you understand by evapo-transpiration? [4]
b) Bring out the difference between a contour canal and a ridge canal. [4]
c) List out draw batch in Kennedy?s theory. [4]
d) Draw component parts of a diversion head work. [4]
e) Classify various types of the dams. [2]
f) List various failures of earth dams. [4]

PART ?B (3×16 = 48 Marks)2. a) Define duty, delta and base period. Derive the relationship between them. [8]
b) How do you improve the duty? State any two practical applications of duty of
water.
[8]

3. a) Discuss the classification of canals? [8]
b) Explain in detail about lacey?s regime theory. [8]

4. a) Define cross drainage works? Classify various cross drainage works. [6]
b) Explain various objectives of river training and discuss about guide banks. [10]

5. a) Explain in detail about Bligh?s creep theory. [8]
b) What do you understand by ?silt extractor? and ?silt ejector?? [8]

6. a) Explain different investigations necessary to determine economical capacity of
a reservoir?
[8]
b) Explain the factors affecting trap efficiency and also suggest suitable methods
of increasing the useful life of a reservoir.
[8]

7. a) What are the modes of failure which occur in the earthen dams? [8]
b) Write short notes on (i) Ogee spillway (ii) Side channel spillway

[8]

Code No: RT41014
Set No. 1
R13
1 of 1

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