IRRIGATION ENGINEERING Model Question Paper - I I (a)1. State the necessity of Irrigation. 2. Define crop period and base period. 3. What are the factors affecting rainfall? (b)1. What are the types of irrigation? Explain them with sketches. 2. Explain the factors affecting duty.
II(a)1. List out different types of dams. 2. Write the functions of a drainage gallery with neat sketch. 3. List any five advantages of earth darns. (b)1. What are the points to be considered while selecting a site for dam? 2. Explain with sketches about the failures of earth darns.
III(a)1. Define spillways. What are the types. 2. Differentiate between weir and barrage. 3. What are the uses of scouring sluices? (b)1. Explain briefly about the following i) Saddle spillway. ii) Profile of an overfall spillway. 2. Explain with a neat sketch about the various components of a diversion work.
IV(a)1. Explain balancing depth of cutting. 2. What do you understand by the term limiting velocity? 3. Mention any five factors for selecting suitable lining for canals. (b)1. Draw a typical distribution system of canal irrigation. Explain briefly. 2. Explain in detail the drainage arrangement in lined canal with neat sketch.
V(a)1. What do you mean by river training works? State its necessity. 2. What are the types of cross drainage works? 3. What is meant by tube wells? What are their types? (b)1. Explain the various types of groynes. 2. Classify aqueducts and explain under what conditions each one is suitable.
I (a)1. Mention the advantages of sprinkler irrigation. 2. Derive the relationship between duty and delta. 3. What is hydrological cycle? Draw a diagram showing the hydrological cycle? (b)1. What are the methods of irrigation? Explain them briefly with sketches. 2. What are the factors affecting Maximum flood discharge?
II (a)1. What are the differences between low dam and high dam? 2. Explain with neat sketch about contraction joints in darns. 3. State the causes of failure of an earth darn. (b)1. Sketch the profile of a masonry dam indicating the salient points and explain briefly about each of them. 2. Explain with sketches about i) Non-homogeneous earth dams ii) Masonry core wall earth dams.
III (a)1. Write a note on breaching section. 2. Sketch any two types of diversion works. 3. What are the functions of divide wall? (b)1. What are tank sluices? Explain them briefly with sketches. 2. Explain different types of spillways with sketches.
IV (a)1. Write briefly about Kennedy's theory of critical velocity. 2. What are the objects of lining of canal? 3. What are the advantages of water shed canals (b)1. Explain different types of canal alignments with sketches. 2. Explain with neat sketch about the following linings : i) Cement concrete. ii) Brick. iii) Asphalt concrete.
V (a)1. What do you understand by the term marginal embankment? 2. Explain why a cross-drainage work in a canal system is necessary. 3. State the advantages and disadvantages of tube-well irrigation over canal irrigation. b) 1. Write short notes on following river training works: i) Levees. ii) Guide banks. (ii) Repelling groynes. 2. Explain with a neat sketch about stainer type tube well.
I (a)1. Differentiate lift and flow irrigation. 2. Explain rotation of crops. 3. What are the factors affecting run-off? (b)1. List out the advantages of irrigation. 2. Mention the types of rain gauges. Explain with neat sketches about Simon's rain gauge.
II (a)1. Explain briefly about evaporation and absorption losses in storage works. 2. Using conventional notations derive an equation for the base width of an elementary profile of a gravity dam. 3. What do you mean by homogeneous and non-homogeneous earth dams? (b)1. Explain with neat sketches about i) Masonry dams. ii) Rock fill dams. 2. Explain the principles in the design of earth dams.
III (a)1. What are the functions of head sluice? 2. Explain with neat sketch about fish ladder. 3. What are the types of weirs on permeable foundation? (b)1. Explain with neat sketches the fixed roller gates and radial gates for spillways. 2. What are the factors to be considered while selecting a site for diversion works?
IV (a)1. How are canal alignment classified? 2. Draw typical cross-section of a canal in partial filling and partial cutting. State how is it advantageous. 3. Define lining of canals. List out various types of linings. (b)1. Draw a typical cross-section of an irrigation canal and briefly explain about its component parts. 2. List the merits and demerits of lining of canals.
V (a)1. With a neat sketch write briefly about level crossing. 2. Draw the plan of an inlet and outlet. State where this type of cross-drainage work can be proposed. 3. Explain about recuperation test to find the yield of a well. (b)1. Explain the principle and factors governing the design of guide banks. 2. With neat sketch write briefly about (i) aqueducts and siphon aqueduct. (ii) Super-passage and siphon super-passage.
