Irrigation Engineering - May 2016

Civil Engineering (Semester 7)

TOTAL MARKS:
TOTAL TIME: HOURS

1 (a) Explain (i) Culturable command area (ii) Duty and (iii) Delta(7 marks) 1 (b) Give difference between Kennedys and laceys theory.(7 marks) 2 (a) Enlist different methods of irrigation and describe
(i) check basin method and
(ii) sprinkler irrigation method(7 marks)

Solve any one question from Q2(b) & Q2(c)

2 (b) Describe function of (i) Escape (ii) Cross regulator and head regulator.(7 marks) 2 (c) The culturable command area of a water course is 1500 hectare . Intensities of irrigation of sugarcane and wheat crops is 25 % and 50 % respectively. The duties for the crops at the head of the water course are 700 hectare/cumec and 1750 hectares/cumec respectively . Find the discharge required at head of water course .(7 marks)

Solve any two question from Q3(a), Q3(b) & Q3(c), Q3(d)

3 (a) Describe function of (i) divide wall (ii) silt excluder (iii) undersluice portion in diversion head work.(7 marks) 3 (b) Describe benefit and ill effects of irrigation.(7 marks) 3 (c) Draw sketch of Aquaduct and syphone aquaduct . Also describe the same.(7 marks) 3 (d) Enlist different canal regulation structure . and explain canal fall in detail.(7 marks)

Solve any two question from Q4(a), Q4(b) & Q4(c), Q4(d)

4 (a) Describe Blighs theory for design of weir.(7 marks) 4 (b) What is water logging? how it can be prevented?(7 marks) 4 (c) Explain Balancing depth of canal.(7 marks) 4 (d) Draw cross section of canal in fully cutting and canal in full embankment.(7 marks)

Solve any two question from Q5(a), Q5(b) & Q5(c), Q5(d)

5 (a) Explain sarda type of fall.(7 marks) 5 (b) Describe different components of drip irrigation methds.(7 marks) 5 (c) Explain conveyance , distribution and application efficiencies.(7 marks) 5 (d) Describe types and benefits of lining of canal.(7 marks)