Gujarat Technological UniversitySummer 2026 examination

GTU 2170609 Irrigation Engineering Summer 2026 Question Paper & PDF

B.E. · Civil Engineering · Semester 7 · Subject code 2170609
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 2:30 PM – 5:00 PM
Questions
5 with internal choice
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Q.1

14 Marks
(a)
3 marks
Define:
i)Irrigation,
ii)Gross Command Area,
iii)Field Capacity
(b)
4 marks
Explain soil-water-plant relationship and its importance in irrigation planning.
(c)
7 marks
Derive relationship between Duty and Delta and explain its practical significance.

Q.2

14 Marks
(a)
3 marks
List different types of irrigation efficiencies. Explain Water Conveyance Efficiency.
(b)
4 marks
Explain different methods of irrigation. Describe Sprinkler irrigation with neat sketch.
(c)
7 marks

A canal supplies water for irrigation of 1500 ha. The intensity of irrigation is 60%. Kor period = 12 days, Kor depth = 10 cm. Calculate required discharge.

(c)
7 marks

Compare Surface irrigation and Drip irrigation methods based on efficiency, cost, and suitability.

Q.3

14 Marks
(a)
3 marks
Differentiate between Weir and Barrage.
(b)
4 marks
Explain Khosla’s theory and its advantages over Bligh’s theory.
(c)
7 marks
Explain forces acting on a gravity dam and discuss stability criteria.
(a)
3 marks
Write short note on Divide Wall.
(b)
4 marks
Explain components of diversion headworks with neat sketch.
(c)
7 marks
Discuss causes and failure modes of earthen dams.

Q.4

14 Marks
(a)
3 marks
Define:
i)Spillway,
ii)Hydraulic Jump
(b)
4 marks
Explain working of hydraulic jump as energy dissipator.
(c)
7 marks
Describe types of spillways and their selection criteria.
(a)
3 marks
Write short note on Drainage Gallery.
(b)
4 marks
Explain different energy dissipation methods below spillways.
(c)
7 marks
Discuss design considerations of gravity dam with respect to safety.

Q.5

14 Marks
(a)
3 marks
What is canal fall? Why is it provided?
(b)
4 marks
Explain Lacey’s silt theory for canal design.
(c)
7 marks
Design an irrigation canal using Lacey’s theory:

Q = 20 m³/s, silt factor = 1.1.

(a)
3 marks
What is waterlogging? State causes.
(b)
4 marks
Explain preventive measures of waterlogging.
(c)
7 marks
Explain types of canal escapes and their working.

More Irrigation Engineering papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

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About this paper

Official Gujarat Technological University (GTU) examination paper for Irrigation Engineering (Summer 2026, B.E. · Civil Engineering, Sem 7). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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