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Thursday, April 21, 2016

EE2451 Electric Energy Generation Utilization and Conservation Question Bank

Looking for Question Bank for EE2451 Electric Energy Generation Utilization and Conservation? You can download here all important questions and question bank for this subject. It is one of the 8th semester subjects in B.E EEE course under Anna University Chennai Regulation 2008 Syllabus. Check on the details provided below to download the question bank of Electric Energy Generation Utilization and Conservation.

University: Anna University, Chennai
Course: B.E EEE
Subject Code: EE2451
Subject: Electric Energy Generation Utilization and Conservation
Regulation: 2008
Semester: 8th Semester / Eighth Semester

Part A
1. List out the advantages of nuclear power station over thermal power station
2. Name the sub system of solar power plant.
3. Indicate the difficulties in using geo thermal energy
4. State the advantages of interconnected operation of power system
5. State the advantage of MHD
6. What are the major components of nuclear power?
7. State the principle of DG power plant.
8. What are the classifications of wind energy conversion?
9. Define distributed generation.
10. What are the effects of system operation?
11. What are the parameters characterising solar concentrators?
12. What are the advantages of solar concentrator?
13. Name the components of flat plate collector.
14. What are the important factors governing the selection of site for conventional sources?
15. What are the classifications based on plant capacity in hydro plants?
16. What are the classifications of turbine?
17. Define surge tank.
18. What is the General Layout of Thermal Power Plant?
19. What are the Types of Air Heaters and give a brief introduction.
20. Define Economizer:

1. i) Describe the general layout of steam power plant with neat diagram.
ii).Explain the principle and working of pumped storage hydel plant.
2. i). Describe with neat sketch the construction and principle of operation used for tidal power.
ii) Explain the effect of distributed generation system in power system operation.
3. With a neat diagram explain wind electric power generating system also lists its merits and demerits.
4. Write short note on:(i) Concept of distributed generation
(ii) Difficulties associated with conventional power generation systems.
5. Describe the general layout of steam power plant with neat diagram.
6. Explain the main components and working of tidal power plant.
7. Explain briefly the generation of electric power by conventional methods.
8. Write about the concept of distributed generation and its effect on system operation.
9. What are the basic components of solar PV systems? Explain the basic solar PV system used for power generation.
10. With neat diagram explain the operation of Nuclear power generating system and also lists its merits and demerits.

1. Define demand factor.
2. Define load factor
3. What is load curve?
4. Draw the load duration curve.
5. What is tariff?
6. How can we calculate the cost of electricity?
7. What is two part tariff?
8. What is energy efficient drive?
9. Mention the role of energy audit
10. What are the types of energy audit?
11. How to improve the power factor?
12. Draw the demand charges curve
13. What is meant by flickers?
14. Why some utilities have cheaper rates in the evenings?
15. What is the long term perspective of the price of electricity?
16. What is the capital cost of power plant?
17. What are the economics nuclear power plants?
18. What is financing cost?
19. What is operating cost?
20. What is meant by depreciation?

1. What is cost of electrical generation? What are the various types of cost associated with power generation? (16)
2. The monthly reading of a consumer meter are as follows Maximum demand =150kw , Energy consumed 1X 105 units, Reactive energy =75MVARhr, If the tariff is Rs 50per KW per month of maximum demand + 15Paise per unit + Rs 3 per KW for each 0.1 P.F below 0.8, calculate the monthly bill of the consumer (16)

3. What is a tariff? Discuss and compare various tariff used in practice. (16)
4. (a) Explain the term depreciation and discuss various methods of calculating the depreciation
of an electrical plant. (8)
(b) What are load curves and load duration curves? Discuss their utility in the economics of generation. (8)
5. A generating stations as a maximum demand (MD) of 15 MW and the daily load curve on the station is as follows, 10pm to 05 am 2500 KW 01pm to 04pm 10000KW 05am to 07 am 3000KW 04pm to 06pm 12000KW ,07pm to 11am 9000KW 06 pm to 08pm 15000KW 11am to 01pm 6000KW 08pm to 10pm 5000KW Determine the size and the number of generator units, plant load factor, plant capacity factor, use factor and reserve capacity of plant. (16)
6. (a). What is the need for power factor correction? (4)
(b). A 3phase synchronous. Motor is connected in parallel with a load of 500 KW, 0.8p.f lagging and its excitation is adjusted until it raises the total P.F to 0.9 lagging. If the mechanical load on the motor including loss takes 125KW, calculate the KVA input to the motor. Draw pharos diagram for condition. (12)
7. i) What are the disadvantages of low power factor? How to avoid it? (8)
ii) What are the measures relates to power quality? (8)
8.(a) Explain the basic principle of electrolytic process and discuss briefly some of its applications. (8)
(b) Define and explain “Current efficiency”,“Voltage required” and “Energy efficiency” ,When referred to electrolytic processes. (8)
9. Explain electrodepositing processes and discuss clearly various factors governing the Electrodepositing processes. (16)
10. Describe the process of extraction of metals. Explain how zinc and aluminum are extracted from their ores. (16)

1. State the advantages of electric heating.
2. What are the modes of heat transfer?
3. State Stephan’s law of radiation
4. What are the properties of heating element material?
5. Name the method of temp control in resistance oven.
6. How electric heating is classified?
7. What are the applications of induction heating?
8. Mention few draw backs of core type furnace.
9. State the advantage of core less induction furnace
10. What is induction heating?
11. What are the classifications of power frequency method?
12. What is meant by direct resistance heating?
13. What is meant by indirect resistance heating?
14. What is the requirement of a good heating material?
15. What are the properties of steel?
16. What is annealing in heat treatment?
17. What is normalizing?
18. What is quenching?
19. What is tempering?
20. What is dielectric heating?

1. (a) Explain the method of working of a Neon lamp with a neat sketch. (12)
(b) State the Lambert’s cosine law of illumination. (4)
2. Estimate the number and wattage of lamps which would be required to illuminate ever shop space 60 X 15metres, by means of lamps mounted 5metres above the working plane. The average illumination required is about 100 Flux, Co-efficient of utilization = 0.4, luminous efficiency is 16 lumens per Watt. Assume a space height ratio of unity candle power depreciation of 20% (16)
3. (a) Two lamps one 200cp and another 500cp are hung at a height of 10 metres and 25 metres respectively. The horizontal distance between the poles is 80 metres. Determine the illumination at the mid point between the poles on the ground. (10)
(b) What are the requirements of good heating materials? (6)
4. (a). Explain the working of a sodium vapour lamp with in a neat sketch. (12)
(b). What is Halogen lamp? (4)
5. Explain the operation principle and working of a mercury vapour lamp and compare its performance with a fluorescent lamp. Describe with a neat sketch the principle of operation of a fluorescent lamp. Mention the function of each component. (16)
6. Explain the types of lamps and lighting fitments you should select for (i) A large machine shop with rows of drilling machines (ii) A drawing office and lathes. (16)
7. (a) A 100 candle power lamp is hung 2m above the centre of a circular area of 3 diameters.
Determine the illumination at (i) the centre of the area, (ii) a point on the circumference of the area, (iii) average illumination. Find also the average illumination, if a reflector of 50% efficiency is used. (8) (b) A lamp of 300 candle power. is placed 1.5 m below a reflecting plane mirror surface, which
reflects 70% of the light falling on it. Find the illumination at a point 4m.

8. (a) Explain the principle of street lighting? Show different types of lighting with neat Sketches. (8)
(b) Discuss about Diffusion principle of street lighting. (8)
9. Discuss about the various factors that affect the design of lighting system
10. A lamp of 500 C.P. Is placed at the centre of a room (20 x 10 x 5) m3. Calculate illumination in each corner of the room.

1. What are the applications of dc series motor?
2. Name the sub system of solar power plant.
3. Indicate the difficulties in using geo thermal energy
4. State the advantages of interconnected operation of power system
5. What is tariff?
6. How can we calculate the cost of electricity?
7. What is two part tariff?
8. What is energy efficient drive?
9. State the advantage of core less induction furnace
10. What is induction heating?
11. What is plane angle?
12. Define illumination.
13. What are the several strategies available to minimize energy requirements in any building?
14. State illumination law.
15. Define solid angle.
16. Define luminous flux.
17. Define lumen.
18. Define candle power.
19. What are the classifications of lighting?
20. What are the several factor caused by Over-illumination

1. Explain the various types of resistance heating.
2.With neat diagram explain the working of the different types of arc welding.
3.Write about welding transformer.
4.With necessary equations describe the design of heating element
5. State the advantages of coated electrodes used in arc welding.
6.With the help of neat diagrams explain in detail the various methods of resistance welding
7.Explain the working of high frequency core-less induction furnace with neat sketch.
8.State how the drooping characteristics is obtained in arc welding Power supply.
9.Discuss with neat diagram different types of arc welding methods
10. Explain different methods of tracticn motor control.

1. Classify an electric drive.
2. What are the factors affecting selection of motor?
3. What are the factors to be considered in size of motor?
4. What are the mechanical factors?
5. Write the nature of mechanical load.
6. Classify the load torque depending upon the time.
7. What are the essential requirements of a satisfactory braking?
8. What are the three methods of electrical braking?
9. What is mechanical or friction braking?
10. State the working of dynamic or rheostatic braking.
11. State the two advantages of electric drive.
12. What is an individual drive?
13. Define continuous rating of motor.
14. Write the torque equation of a dc motor.
15. Write the formula to determine a fan or blowers horsepower.
16. What are the four important functions in a hybrid vehicle application?
17. What is reluctance torque?
18. Define torque angle.
19. Write the characteristics of motor.
20. What is cogging?

1. Discuss and compare various arrangements of current collection used in traction
2. What are the various types of electric braking used in traction? Discuss in detail
3. Write about supply systems used in electric traction.
4. Discuss the suitability of d.c. motor for traction purpose.
5. Write a brief note on recent trends in electric traction.
6. Write about mechanics of train movement'
7. Discuss the working of dc series motor control in detail
8. Draw a typical speed-time curve and explain its salient features
9. Derive an expression for tractive effort required to run an electric locomotive.
10. List the factors favouring dc series motor for traction application

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