ME6701 Power Plant Engineering Nov Dec 2016 Important Questions 2 Marks and 16 Marks

Anna University Chennai
B.E / B.Tech Degree Examination Nov Dec 2016 Important Questions
Seventh Semester
B.E Mechanical Engineering
ME6701 Power Plant Engineering
Important Questions of 2 Marks and 16 Marks (Unitwise)
Regulation 2013

A special thanks to:
Prof. Muthu
SVCET, VNR.

SRI VIDYA COLLEGE OF ENGINEERING AND TECHNOLOGY
VIRUDHUNAGAR
Department of Mechanical Engineering
ME6701-POWER PLANT ENGINEERING
PART-A
QUESTION BANK
UNIT I COAL BASED THERMAL POWER PLANTS
1. Draw TS diagram of Rankine cycle.
2. What are the ways to improve the efficiency of Rankine cycle.
3. What are super critical boilers?
4. Draw a neat sketch of the basic principle of FBC.
5. What are the advantages and disadvantages of coal power plant?
6. Differentiate impulse and reaction turbines.
7. What are the different methods of governing in steam turbines?
8. Mention the various modern ash handling systems.
9. What is meant by stokers? Mention its types.
10. List the advantages of balanced draught systems.
11. List out the various sub systems used in steam power plant.
12. What are the various types of coal handling systems used in thermal power plant?

UNIT II DIESEL, GAS TURBINE AND COMBINED CYCLE POWER PLANTS

1. What is air standard cycle? Why such cycles are conceived?
2. What are the assumptions made for air standard cycles?
3. Draw PV and TS diagram of Brayton cycle.
4. What do you understand the term compression ratio and expansion ratio?
5. Draw PV and TS diagram of Diesel cycle.
6. Mention a few characteristics of diesel power plant.
7. What are the components used in diesel power plants?
8. Differentiate open cycle gas turbine and closed cycle gas turbine.
9. What are the methods by which thermal efficiency of a gas turbine power plant be improved?
10. What is meant by reheating and regeneration?
11. What is meant by combined cycle power plant?
12. What are the applications of gas turbine power plant?

UNIT III NUCLEAR POWER PLANTS
1. What are the advantages of nuclear power plants?
2. How is nuclear energy calculated?
3. What is meant by nuclear fusion and nuclear fission?
4. What are the difference between nuclear fission and nuclear fusion?
5. What is the function of nuclear reactor?
6. List out the essential components of nuclear power plants.
7. What is the function of moderator?
8. What are the functions of control rods?
9. Why is shielding of a nuclear reactor necessary?
10. What are the factors to be considered while selecting a reactor?
11. What is the function of pressurizer in PWR?
12. List the disadvantages of nuclear power plant?

UNIT IV POWER FROM RENEWABLE ENERGY
1. What are the advantages of hydro power plants?
2. Differentiate impulse and reaction turbines.
3. What is the function of draft tube?
4. What is the purpose of surge tank in hydro power plant?
5. What are the factors to be considered while selecting turbines?
6. List out the essential components wind energy system.
7. Draw the layout of wind energy storage system.
8. What is the basic principle of tidal power?
9. List the advantages of tidal power plant over hydro power plant.
10. What are the types of geothermal power plant?
11. Define anaerobic digestion.
12. List the types of fuel cells.

UNIT V ENERGY, ECONOMIC AND ENVIRONMENTAL ISSUES OF POWER PLANTS
1. Define load factor.
2. What is meant by connected load?
3. Define demand factor.
4. Define diversity factor.
5. What are the major factors that decide the economics of power plants?
6. Define load curve and mention its importance.
7. What are fixed and operating costs?
8. List the types of tariffs to calculate energy rate.
9. Define depreciation.
10. What are nuclear waste disposal methods?
11. State the significance of two part and three part tariff.
12. Mention any four methods for calculating depreciation.

SRI VIDYA COLLEGE OF ENGINEERING AND TECHNOLOGY
VIRUDHUNAGAR
Department of Mechanical Engineering
ME6701-POWER PLANT ENGINEERING
QUESTION BANK
UNIT I COAL BASED THERMAL POWER PLANTS
1. Explain in detail about layout of modern coal power plant. Also mention its advantages and disadvantages.
2. Explain in details about the following with neat sketches.
(i) Bubbling fluidized bed boilers
(ii) Circulating fluidized bed boilers
3. Explain the following with neat sketches.
(i) Pressurized FBC
(ii) Pressurized circulating FBC
4. Explain with neat sketches about following super critical boilers.
(i) Drum type boiler (ii) Once through boiler
OR
1. Explain with neat sketches about various fuel handling systems used in thermal power plant.
2. Explain with neat sketches about various ash handling systems used in thermal power plant.
3. Briefly explain about the types of mechanical draught system.
4. Explain in detail about mechanical stokers.
5. Write short notes on the following.
(i) Feed water treatment
(ii) Cogeneration

UNIT II DIESEL, GAS TURBINE AND COMBINED CYCLE POWER PLANTS
1. Draw P-V and T-S diagrams and derive an expression of air standard efficiency and mean effective pressure for diesel cycle.
2. Draw P-V and T-S diagrams and derive an expression of air standard efficiency and work ratio for brayton cycle.
3. Draw a layout of diesel power plant and explain various components used on it.
4. Explain in detail about the four ways used to improve the efficiency of gas turbine power plants.
OR
1. Draw a layout of gas turbine power plant and explain various components used on it.
2. Explain about following combined cycle power plants.
(i) Gas turbine-steam turbine power plant
(ii) MHD-Gas turbine power plant
3. Explain about following combined cycle power plants.
(iii) MHD-steam turbine power plant
(iv) Nuclear-Steam power plant
4. Draw a neat sketch and explain about integrated gasifier combined cycle.

UNIT III NUCLEAR POWER PLANTS
1. Draw a layout and explain the subsystems of nuclear power plants.
2. Write short notes on
(i) Nuclear fission and Nuclear fusion
(ii) Necessity of nuclear power plant
3. Explain in detail about working of following.
(i) Boiling water reactor
(ii) Pressurized water reactor

OR
1. Explain in detail about working of following.
(i) CANDU reactor
(ii) Breeder reactor
2. Explain in detail about working of following.
(i) Gas cooled reactor
(ii) Liquid metal cooled reactor
3. What are the criteria used for nuclear power plant safety.

UNIT IV POWER FROM RENEWABLE ENERGY
1. Draw a layout of hydro power plant and explain about essential elements used on it.
2. Explain about the classifications of hydro power plants.
3. What are factors to be considered to select a turbine?
4. With a neat sketch explain the construction and working principle of wind power generation.
OR
1. With a neat sketch explain the construction and working principle of solar power generation.
2. With a neat sketch explain the construction and working principle of tidal power plant.
3. With a neat sketch explain the construction and working principle of geothermal power plant.
4. Briefly explain about biomass gasifier.
5. Explain about various types of fuel cells with neat sketch.

UNIT V ENERGY, ECONOMIC AND ENVIRONMENTAL ISSUES OF POWER PLANTS
1. Explain about types of tariffs.
2. Explain about economics of power plant.
3. Explain in detail about various types of load curves.
4. Compare site selection criteria for various power plants.
OR
1. Explain in detail about capital and operating cost of different power plants.
2. With a neat sketch explain about nuclear waste gas disposal.
3. Explain in detail about pollution control technologies used in coal power plant.

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