Hydrology and Irrigation Engineering (Practice Test MCQs)

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1. Hydrology is the science that deals with:





2. The hydrologic cycle includes:





3. The average annual rainfall over the entire Earth is approximately:





4. In a catchment, the line which divides the flow of water into two drainage areas is called:





5. The unit hydrograph is based on:





6. The SCS (Soil Conservation Service) method is used to estimate:





7. The main factor affecting evaporation is:





8. The instrument used to measure rainfall is:





9. The rational formula is used to determine:





10. The term “hydrograph” represents:





11. The main objective of irrigation is to:





12. The duty of water is defined as:





13. The delta of water means:





14. The water requirement of a crop depends on:





15. The field capacity of soil represents:





16. The consumptive use of water includes:





17. The time required to complete one crop growth is:





18. The most suitable irrigation method for sandy soil is:





19. The main purpose of a diversion headwork is:





20. A canal aligned along the natural contour is called:





21. The specific yield of an aquifer is:





22. An artesian well is one in which:





23. The command area of a canal consists of:





24. The most efficient method of irrigation is:





25. The main cause of waterlogging is:





26. The main purpose of lining in canals is to:





27. The term “duty” is expressed as:





28. The method used to measure discharge in rivers is:





29. The most suitable crop for saline soil is:





30. The duty of water increases if:





31. The main advantage of a perennial irrigation system is:





32. The most important factor for designing a drainage system is:





33. The main function of a cross regulator in a canal is to:





34. The duty of water is inversely proportional to:





35. The average efficiency of a good canal irrigation system is:





36. The term “gross command area” includes:





37. The main crop for which tank irrigation is suitable is:





38. Flood irrigation leads to:





39. The formula to find crop water requirement is:





40. The Kor period refers to:





41. The main advantage of sprinkler irrigation is:





42. The root zone depth for paddy crop is:





43. The best method for controlling soil salinity is:





44. The standard duration of water supply in rotational irrigation is known as:





45. The water use efficiency is defined as:





46. The infiltration rate is maximum at:





47. The minimum spacing between two canals is governed by:





48. The main purpose of a check dam is:





49. The term “net irrigation requirement” excludes:





50. The duty of water for rice is approximately:





1. Basic/Foundation Subjects

2. Core Civil Engineering Subjects

3. Advanced/Applied Subjects

4. Management and Planning

5. Environmental & Sustainable Development