College : Vardhaman College Of Engineering
Degree : B.Tech
Department : Mechanical Engineering
Semester : IV
Subject : Power System Generation
Document type : Question Paper
Website : vardhaman.org
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Power System Generation Question Paper :
(Electrical and Electronics Engineering)
Date : 6 June, 2014
Time: 3 hours
Max Marks: 75
Answer ONE question from each Unit
All Questions Carry Equal Marks
Related : Vardhaman College Of Engineering Kinematics Of Machinery B.Tech Question Paper : www.pdfquestion.in/6354.html
All parts of the question must be answered in one place only
Unit – I
1. a) Discuss the function of :
i. Penstock ii. Surge tank iii. Spill way
iv. Trash rack applicable to hydel power plant
b) A hydro-electric power station is supplied from a reservoi
Determine the total energy available in kWh, if the overall efficiency of the
2. a) Briefly discuss various non-conventional methods of generating
b) Discuss in brief about pumped storage power plant. 7M
Unit – II
3. With a neat schematic layout, explain the various components
4. a) Why air pre-heater is required in water tube boiler system-
Explain how it saves fuel in the plant.
b) Discuss in brief about cooling towers and condensers of thermal
Unit – III
5. a) Explain the functions of the following :
i. Control rods ii. Moderator iii. Coolant used in a nuclear reactor
b) Briefly explain the various components of a Gas power station. 6M
6. a) With neat sketch, explain the nuclear chain reaction process. 7M
b) Compare BWR and PWR. 8M
Unit – IV
7. a) With a neat layout explain all the components of a substation. 8M
b) Explain the single bus bar scheme with bus sectionalizer. 7M
8. a) Differentiate Gas insulated and air insulated substation. 8M
b) Draw and briefly explain the single line diagram of gas insulated substation. 7M
Four Year B. Tech IV Semester Regular Examinations June – 2013 :
Regulations: VCE-R11
Power System Generation :
(Electrical and Electronics Engineering
Time: 3 hours
Max Marks: 75
Answer ONE question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
Unit – 1 :
1. a) Mention the classification of Hydro electric power plants according to available head? Explain each one of them briefly. 9M
b) Give the differences between Kaplan and Francis turbines. 6M
2. a) What type of turbine is best suited for high head, low pressure and high specific speed hydro electric power plants? Explain its working principle with a suitable sketch. 8M
b) A river based hydel plant has its capacity as “firm capacity” when it operates at the peak part of the load curve, the load factor here being 15%. If the rated installed capacity of the generator, head and plant efficiency are 10 MW, 50 m and 0.8 respectively, calculate the minimum flow of river water in order to operate the plantat the base of the load curve. 7M
Unit – 2 :
3. a) With the help of a neat schematic layout of a typical coal fire power station, briefly describe the function of its main parts.11M
b) What are the advantages of using super heater in thermal power station? 4M
4. a) Describe briefly the following parts of a thermal power plant.
i. Boilers
ii. Cooling towers 4M
b) Explain how coal is handled in a thermal power plant starting from delivery of coal to final consumption stage. 11M
Unit – 3 :
5. a) What are the classifications of Nuclear reactors? Describe briefly. 8M
b) Describe briefly a Gas turbine plant with neat schematic diagram. 7M
6. a) Discuss the various factors to be considered while selecting the site for Nuclear power plant. 7M
b) What is a Nuclear reactor and describe the various parts of Nuclear reactor? 8M
Unit – 4 :
7. a) How can Substations are classified according to the service requirements? 8M
b) Compare outdoor and indoor substations. 7M
8. a) Explain different types of busbar arrangements with neat sketch 7M
b) What is a substation? Name the factor that should be taken care while designing and recting a substation. 8M