Assignment -2

1. Name different forces present in a fluid flow.Which forces are taken into consideration for Euler’s equation of motion?

2. State Bernoulli’s theorem for steady flow of an incompressible fluid. State the assumptions made.

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17. Explain the different types of the efficiency of a turbine. 18. Define the term speed ratio, flow ratio and jet ratio. 19. Define specific speed of a turbine. What is its significance? 20. Define the unit quantities for turbine.

Assignment -3 1. What do you mean by governing of a turbine? 2. Explain different types of losses in pipe. 3. Explain total energy line, hydraulic gradient line, pipes in series, pipes in parallel and

equivalent pipe. 4. What is syphon? 5. What is a reciprocating pump? Describe the working principle of a reciprocating pump with

neat sketch. 6. Define slip, percentage slip and negative slip of a reciprocating pump? 7. Define indicator diagram. Prove that area of indicator diagram is proportional to work done

by the reciprocating pump 8. Differentiate between (i) turbines and pumps (ii) impulse and reaction turbines (iii) radial and

axial flow turbines (iv) Kaplan and propeller turbines (v) inward and outward radial flow turbine

9. Define a centrifugal pump. Explain the working of a single stage centrifugal pump with sketches.

10. Draw the characteristic curves of centrifugal pump. 11. Differentiate between volute and vortex casing for the centrifugal pump. 12. Define the terms suction head, delivery head, static head and manometric head. 13. What is priming? Why it is necessary? 14. Define cavitation. What are the effects of cavitation? Give the necessary precautions against

cavitation. 15. What is a draft tube and why it is used? Describe with neat sketches different types of draft

tube

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