Q21. What is cavitation in hydraulic machines?
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Q22. Hydrograph represents?
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Q23. What is the purpose of a sediment trap?
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Q24. Piézometer is used to measure?
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Q25. Flow net analysis is used for?
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Q26. What is the unit of kinematic viscosity?
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Q27. Manometer is a device used to?
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Q28. Reynolds number helps in determining?
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Q29. The term hydraulic gradient is defined as?
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Q30. The discharge of a rectangular channel is 20 m3/s; If width is 4 m and depth is 2 m, what is the velocity?
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Q31. Water hammer occurs due to?
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Q32. Hydraulic jump occurs when?
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Q33. Darcy’s law describes?
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Q34. Which instrument measures velocity of fluid flow?
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Q35. Centrifugal pumps produce?
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Q36. Hydraulic conductivity represents?
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Q37. Pipe flow is turbulent when Reynolds number exceeds?
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Q38. Darcy-Weisbach equation calculates?
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Q39. Specific weight of water is?
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Q40. Manning’s n for concrete channel is approximately?
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