Set No. 1
Code No: M0328/R07
IV B.Tech I Semester Supplementary Examinations, December
2013
POWER PLANT ENGINEERING
( Mechanical Engineering )
Time: 3 hours
Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
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1. (a) Name and explain the various sources of energy.
(b) what are the various types of solid fules? Describe.
[8+8]
2. (a) Describe various types of burners used to burn pulverised coal.
(b) Name various draught systems. Describe the operation of a balanced draught
system.
[8+8]
3. (a) What are the different methods of fuel injection used in diesel power plants?
Which method is commonly used in big diesel plant and why.
(b) Write short notes on:
i. B H P and I H P
ii. Warming up of diesel engine.
[10+6]
4. Prove that the pressure ratio of a closed cycle for the maximum specific out put is
the square root of the pressure ratio for the maximum thermal efficiency. Why low
pressure ratio is used in gas turbine? What is the range of it?
[16]
5. (a) Explain the terms catchment area, rainfall, and runoff.
(b) Explain the arrangement of the components of a hydro electric power plant
with a neat sketch.
[8+8]
6. Draw a neat diagram of a power generating system illustrating the use of flat plate
collector as a source of energy.
[16]
7. (a) What is boiling water reactor? How does it differ from pressurized water
reactor?
(b) Explain the properties of moderator used in nuclear reactor.
[8+8]
8. (a) What do understand by acid rains? What are the reasons of this? How are
they controlled?
(b) Explain the pollution due to nuclear power plant.
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[8+8]
Set No. 2
Code No: M0328/R07
IV B.Tech I Semester Supplementary Examinations, December
2013
POWER PLANT ENGINEERING
( Mechanical Engineering )
Time: 3 hours
Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆⋆⋆⋆⋆
1. (a) Explain different types of equipments used for transferring coal.
(b) List out their advantages and disadvantages.
[8+8]
2. (a) Why ash and dust handling is more difficult than coal handling ?
(b) Discuss the effects of ash on boiler operation and performance.
[8+8]
3. (a) What are the advantages of diesel power plant?
(b) Explain with necessary diagram different fuel injection systems used in diesel
engine plant.
[6+10]
4. (a) Draw the arrangement of combined cycle and explain its working.
(b) List out the advantages of combined cycle.
[16]
5. What are the various factors to be considered in selecting a site for a hydraulic
power plant and discuss about primary and secondary investigations.
[16]
6. (a) What is fuel cell?
(b) Explain hydrogen-oxygen cell.
7. (a) What are the outstanding features of advanced gas cooled reactors over other
reactors? When these reactors are preferred?
(b) How nuclear wastes are disposed?
[8+8]
8. (a) Explain briefly the following:
i. Capital or fixed cost
ii. operational cost.
(b) Explain the various methods to reduce the pollution.
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1 of 1
[8+8]
Set No. 3
Code No: M0328/R07
IV B.Tech I Semester Supplementary Examinations, December
2013
POWER PLANT ENGINEERING
( Mechanical Engineering )
Time: 3 hours
Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆⋆⋆⋆⋆
1. (a) Write a short notes on indian coals.
(b) Explain the working of different water washing systems used to clean with
neat sketches.
[6+10]
2. (a) Briefly describe different types of coal.
(b) What are the basic coal ingradients and how they affect the furnace design?
[6+10]
3. (a) What are the various factors to be considered while selecting the site for diesel
engine power plant?
(b) Compare I.C engines with steam engines and state the advantages of I.C engines over steam engines.
[8+8]
4. (a) Write short notes on:
i. Inter cooler
ii. Heat exchanger
(b) With the aid of neat sketches briefly describe different arrangements of power
plant.
[8+8]
5. What are the factors considered in selecting a prime-mover for a hydro electric
power plant?
[16]
6. Discuss the advantages and disadvantages of horizontal and vertical axis wind mills
with neat sketches.
[16]
7. (a) Enumerate and explain essential components of a nuclear reactor.
(b) What is the future of nuclear power in India?
[8+8]
8. (a) What do you mean by depreciation? Enumerate and explain briefly various
methods used to calculate the depreciation cost.
(b) What are the effects of SO2, NO2 and hydrocarbons on the human and crop
lives?
[8+8]
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Set No. 4
Code No: M0328/R07
IV B.Tech I Semester Supplementary Examinations, December
2013
POWER PLANT ENGINEERING
( Mechanical Engineering )
Time: 3 hours
Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆⋆⋆⋆⋆
1. What do you understand by ‘output - handling of coal’ ? What are the different
methods of output coal handling. Discuss their relative merits and demerits. [16]
2. (a) Explain the working of cooling towers.
(b) Compare the forced and induced draft towers.
[10+6]
3. (a) Compare a diesel engine and petrol engine.
(b) Describe the auxiliary equipment of diesel engine power plant.
[6+10]
4. (a) What are the advantages of gas power plant over diesel and thermal power
plants?
(b) Discuss the environmental impacts of gas turbine.
[8+8]
5. What topographical features are infavour of underground power house? What are
the different types of under ground power stations? Draw neat layout of each. [16]
6. Discuss the advantages and disadvantages of horizontal and vertical axis wind mills
with neat sketches.
[16]
7. Explain two types of reactors widely used in nuclear power plants with neat diagrams.
[16]
8. (a) What do you understand by thermal pollution? Explain the bad effects of
thermal pollution.
(b) Explain the pollution due to nuclear power plant.
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1 of 1
[8+8]