I Semester M.E. (Civil) Degree Examination, March 2013 Water Resources Engineering 2K8 WR 105(b) : WATER POWER ENGINEERING (Elective – I) Time : 3 Hours
Max. Marks : 100
Instructions : 1) Answer any five full questions. 2) Assume any missing data suitably. 1. a) Discuss the relative merits of hydropower as compared to other power sources.
8
b) A run-of-river hydroelectric plant with an effective head of 23 m and a plant efficiency of 78% supplies power to a township for which the average daily load variations are given below :
Time Load (MW)
12
12 am
4 am
6 am
8 am
10 12 2 am noon pm
4 pm
6 pm
8 pm
10 pm
20
15
13
19
47
51
65
70
51
35
36
53
Draw the load curve and i) Find the minimum average daily flow which could supply the indicated load. ii) What volume of Pondage would be required to produce the necessary power at the peak ? iii) What is the plant load factor ? 2. a) How do you assess the water power potential of a hydroelectric scheme ?
12 8
b) Write a note on the classification of hydroelectric plants based on constructional feature with neat sketches. 12 3. a) What is meant by flow-duration curve and power-duration curve ? How would you construct such curves ? 12
P.T.O.
EJM – 105
*EJM105*
-2-
b) Typical weekly and daily releases of water from an upstream reservoir on a river are as given below. Estimate the pondage capacity to operate a run-ofriver plant at a downstream location so that a steady uniform power output is available from the plant.
8
Weekly release pattern Day Average daily release rate (cumecs)
Daily release pattern Time Volume released in Percentage
12 − 6 am
6 am − 12 noon
12 noon − 6 pm
6 pm − 12
05
35
50
10
4. a) Write a note on sequential stream flow routing method applied to run-of-river projects. 10 b) Write a note on the power rule curve for reservoir operation. 5. a) Explain the basic concept of pumped-storage plant and give the details of different types of pumped-storage projects. b) What is meant by economical diameter of a penstock ? How can it be found out ?
10 10 10
6. a) What is the function of anchor blocks ? What are the forces which should be taken into account in their stability analysis ? 10 b) A valve is closed in 4 seconds at the downstream end of a 2500 m long pipe having a diameter of 1.25 m and a thickness of 1.25 cm. The pipe carries water at a velocity of 2.5 m/s. Calculate the peak water hammer pressure developed and determine the length of pipe subjected to the peak pressure. 10 7. a) Write a note on the losses in Intakes. b) Explain the different components of underground power house. 8. a) Write a note on the efficiency of hydraulic turbines.
10 10 10
b) What is meant by celerity of wave in power canal ? Derive an expression for the same. 10 ———————
water at a velocity of 2.5 m/s. Calculate the peak water hammer pressure. developed and determine the length of pipe subjected to the peak pressure. 10.
Describe with a neat sketch the behavior. of a simple cylindrical surge tank. 10. ______. Page 2 of 2. Water Power engg..pdf. Water Power engg..pdf. Open.
Unit â 5: Hydrology, Water Treatment & Supply Engineering. Hydrological Cycle ... Environmental Engg. Public Health Engg. Water Tech Health Sciences.pdf.
Another internet tool by: Backgrounder. Page 1 of 4. Teach...build...learn...renewable energy! Water Power. A Renewable Energy Project Kit. The Pembina Institute. All around planet Earth, water is on the move. In rivers and creeks, water flows downhi
Page 1 of 3. Ex/PE 42B/90/2005. B. POWER ENGG. FINAL EXAMINATION, 2005. ( 2nd Semester ). POWER PLANT OPERATION. AND MAINTENANCE-II. Time : Three hour Full Marks : 100. Answer any five questions. 1. (a) Discuss in detail the role played by workshops.
There was a problem previewing this document. Retrying... Download. Connect more apps... . Computer S ... ce Engg..pdf . Computer Sc ... nce Engg..pdf. Open.
Page 3 of 4. -Computer Science and Engg Information Science Engg..pdf. -Computer Science and Engg Information Science Engg..pdf. Open. Extract. Open with.
Page 3 of 4 . Computer Science and Engg Information Science Engg..pdf . Computer Science and Engg Information Science Engg..pdf. Open. Extract. Open with.
BIME-012 : AUTOMOBILE ENGG. Time : 3 hours ... layout of a hydraulic brake system and its. working. What is ... Displaying Automobile Engg..pdf. Page 1 of 3.
Position : Fire Alarm Engineer. DUTIES : Checking of Fire Alarm Panels, Fire Pumps, Fire Extinguishers, Fire Hose Reels, Fire Hydrant. Installation of conduit and cables. Installation of Devices and panels. Clearing Faults and Fire in Fire Alarm Pane
... survey conducted during December month at. two toll plaza location along a National Highway which are 70 km apart reveals. the following traffic flow (ADT).
There was a problem previewing this document. Retrying... Download. Connect more apps... Try one of the apps below to open or edit this item. Main menu.
Power Plant Water Chemistry: A Practical Guide
Download at => https://pdfkulonline13e1.blogspot.com/0878146199
Power Plant Water Chemistry: A Practical Guide pdf download, Power Plant Water Chemistry: A Practical Guide audiobook download, Power P
Half a century of South Asia's construction-led water development has failed to ... on the subject, good scientists know that science and technology alone cannot.
