EE-303

MODEL PAPER

EE-303 -POWER SYSTEM I For (DEEE) III Semester 

Diploma Examination 

Time 3 Hours

Total Marks : 80M 

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PART-A

10x 3=30M

Note: 

1. Answer all questions and each question carries three marks.
2. Answer should be brief and straight to the point and shall not exceed five simple sentences.

1. State the advantages and disadvantages of solar power.
2. State the causes of pollution in thermal power plant.
3. Define energy audit.
4. State the need of surge Tank in hydel power plant.
5. State the advantages of hydro Electric power plant.
6. State the materials used for coolant reflector and control rods in nuclear reactor.
7. Define the terms nuclear fission and nuclear fusion.
8. State the working function of flat plate solar collector.
9. Define tariff and state its types.
10. State the need for integrated operation of power stations.

PART-B

10 x 5=50M

Note:-

1. Answer any five questions and each question carries ten marks.
2. The answer should be comprehensive and the criteria for valuation are the content but length of the answer.

11. Explain the function of each block of thermal power plant with line diagram.
12. Explain the working of medium head hydro-electric power plant with neat Sketch.
13. (a) Derive the water power equation in hydel power plant.
(b) State the factors which will affect the selection of site for hydel Power plants.
14. Explain the working of reactors in nuclear power station.
15. Explain the construction and working of flat plate collector with a neat diagram.
16. Explain the working of wind mill with a neat sketch.
17. Define tariff and explain various types of tariffs.
18. A generating station has a maximum demand of 100 MW the following data refer to the power station.
(i) Interest and Depreciation = Rs 10%
(ii) Capital Cost = Rs 150 x 106
(iii) Annual Cost of fuel oil = Rs 6 x 106
(iv) Taxes Wages and Salaries = Rs 5 x 106
(v) Annual load factor = 60%
Calculate
(a) Fixed Cost
(b) Running Cost
(c) Energy generated per annum (d) Cos per Unit.