Download GTU BE/B.Tech 2019 Summer 7th Sem Old 170602 Irrigation Engineering Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII (OLD) EXAMINATION — SUMMER 2019

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Subject Code: 170602 Date: 14/05/2019
Subject Name: Irrigation Engineering
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 a) Explain each component of Diversion head work with a neat sketch. (07)
(b) Explain Drip irrigation with neat sketch. (07)

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Q.2 (a) Explain irrigation efficiencies. (07)
(b) Explain the methods of assessment of irrigation water. (07)
OR
(b) Explain the factors affecting duty. How can duty be improved? (07)

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Q.3 (a) Explain Khosla’s method of independent variables for design of a weir. (07)
(b) Explain balancing depth of a canal. Derive an expression for the same. (07)
OR
Q.3 (a) Compare Kennedy’s and Lacey’s silt theories. (07)

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(b) Explain with the help of neat sketches various types of cross drainage works. (07)

Q.4 (a) Write a note on canal lining. (07)
(b) Explain Sarda type fall in detail. (07)
OR

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Q.4 (a) Explain the terms: (1) Saturation capacity (2) Field capacity (3) Wilting point (07)
(b) Write a note on canal escape. (07)

Q.5 (a) Write a note on water logging and remedial measures to prevent it. (07)
(b) Discuss the benefits and ill effects of irrigation. (07)

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OR
Q.5 (a) Explain various methods of surface irrigation. (07)
(b) Discuss briefly causes of failure of weirs and their remedies. (07)

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