Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) (EEE)- Electrical And Electronics Engineering 2020 December 4th Sem 72449 Power Plant Engineering Previous Question Paper
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (EE) PT (Sem.?4)
POWER PLANT ENGINEERING
Subject Code : BTEE-406
M.Code : 72449
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CAND IDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Answer briefly :
1.
Discuss the function of a steam nozzle.
2.
How the efficiency of a steam turbine can be calculated?
3.
Discuss the role of a ash handling plant in a thermal power station.
4.
What do you mean by hydrological cycle?
5.
Define binding energy.
6.
Define mass defect.
7.
What are the various elements of a gas turbine plant?
8.
Give any two differences between two stroke and four stroke diesel engines.
9.
What are the advantages of combined operation of different power plants?
10
What is the function of an electrostatic precipitator in a power plant?
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SECTION-B
11. Draw a typical layout of a steam power plant. Explain the main features of layout?
12. What is a hydrograph? How can a flow duration curve be obtained from a hydrograph?
13. With the help of a suitable diagram explain the working of a Pressurized Water Reactor
(PWR).
14. Differentiate between Open and Closed gas turbine cycles. Discuss the methods for
improving the efficiency of gas turbine plants.
15. What are the advantages of diesel plants over thermal plants? Why diesel plants are not
used for high capacity?
16. Explain briefly :
(a) Combined operation of power plants
(b) Pollution from nuclear and thermal power plants
17. A hydro-electric station has to operate with a mean head of 30 metres and is supplied from
a reservoir lake at the rate of 6.93 m3 per second. Calculate the power generated in kW.
Assume density of water l,000kg/m3, load factor of station is 80%, mechanical efficiency
of water turbine 90%. Neglect head loss in pipes, penstocks etc.
18
(a) Show that a mass defect of 1 amu is equivalent to about 931 MeVof energy.
(b) Draw the layout of a diesel power plant and explain it in detail.
NOTE: Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 13 February 2021