1. Discuss the significance of Reynold number for theclassification of the type of fluid flow. [4]
2. Explain the terms Hydraulic Grade Line and Total Energy Line.Compare the total energy line and hydraulic grade lines for thepipe sections if there is sudden enlargement in the pipe section orsudden contraction in the pipe with the help of sketches. [8]
3. Describe the term most economical section of a channel. Explainthe condition for most economical rectangular section for an openchannel flow. [6]
4. Differentiate between the terms kinematic similarity and dynamicsimilarity. Give suitable examples to support your answer.[8]
5. Discuss the advantages of dimensional and model analysis.[4]
