POWER PLANT IMPORTANT QUESTIONS

                     IMPORTANT QUESTION MAY/JUNE 2014                                                                              

          DEPARTMENT OF EEE                                                                                              

 EE-POWER PLANT ENGG                                                                                               

             

PART-B 

1. Explain the construction and working of Steam power plant with a layout. (16) 2. (a) Why are feed water heaters used? (8) 
    (b) Explain with a sketch the working of a Barometric condenser? (8) 

3. (a) Discuss the relative merits of different out plant coal handling. (8) 

    (b) Describe the hydraulic ash handling system. (8) 

4. (a) Draw a chart showing operations and devices used in coal handling plant(8)    

  (b) Describe different types of coal conveyors. (8) 

5. (a) What is the importance of thermal power development in the country?  

    (b)Describe its development in the last 10 years. (16)

6. Explain the construction and working of any one High pressure boiler with a layout. (16) 

7. Explain the construction and working of any one Fluidised bed boiler with a layout. (16)  
8. Explain the construction and working of Nuclear power plant with a 
layout.(16)  

9.(a) What is a chain reaction? How it is controlled. (5)

    (b) Describe the fast breeder reactor. (6)

    (c) What is function of shield? What are the different types of shields? (5)
10.(a) With neat sketch explain the boiling water reactor power plant.  (8)

      (b) What are the advantages and disadvantages of nuclear power plant? (8) 11.(a) What are the advantages and disadvantages of breeder reactor? (5)  

    (b) What do you mean by fission of nuclear fuel? (5)    

    (c) Explain briefly about radiation hazards and shielding? (6)  

12. (a) What do you understand by thermal shielding? (4)  

      (b) What are the functions of a reflector? (4)   

     (c) Explain the working and characteristic features of a homogeneous reactor. (8)
13.Explain the construction and working of Gas turbine power plant with a layout. (16)   

14.(a) Explain with the help of a block diagram the fuel storage and supply system of diesel power plant. (8) 

    (b) Explain with the help of a block diagram the water cooling system of diesel (8) 

15. (a) Mention the advantages and disadvantages of a diesel power plant over a gas turbine power plant. (8)   

     (b) Give a maintenance schedule for Diesel engine power plant. (8)  

16.Describe the following systems in brief with respect Diesel Power Plant.       

   (a) Fuel storage and supply system (5)  

   (b) Exhaust system (5) 

   (c) Lubrication   system (6) 

17. (a) Draw a neat layout of a diesel power plant and label all the
    components. (10)    

     (b) List the advantages of diesel power plant s over other thermal power plants. (6) 

18. (a) Explain the cooling system of a Diesel power plant. (8)   

     (b) What are the different types of engines used in Diesel power plants. (8)
19. With a neat sketch explain the working of a simple constant pressure gas turbine. Mention its advantages and disadvantages. (16) 

20. (a) With help of a block diagram explain the main components of a open cycle gas turbine power plant. (8)

     (b) Give the classification of gas turbine power plants. (8) 

21. (a) Give the advantages and disadvantages of open cycle gas turbine power plant. (8)   

     (b) A simple open cycle gas turbine plant works between the pressures of 1 bar and 6 bar and temperatures of 300 K and 1023 K. The calorific value of the fuel used is 42 MJ/kg. Find:          i. air fuel ratio          ii. Thermal efficiency of the plant if the mechanical and generating efficiencies  are 95% and 97% respectively. Assume air flow = 20 kg/s and compression and expansion are isentropic. (8)  

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NOTE: THIS QUESTIONS ARE MOST IMPORTATNT OF UNIVERSITY EXAMS MAY BE OR MAY NOT BE ASKED FOR UNIVERSITY EXAMS