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International Islamic University Chittagong
Department of Electrical and Electronic Engineering
Final Assessment of Autumn-2020 Program: B.Sc. Engg. (EEE)
Course Code: EEE-4707 Course Title: Power Plant Engineering Time: 5 hours (Writing -4 hours 30
minutes + 30 minutes submission time)
Full Marks: 50 (Written 30 + Viva/Viva-Quiz-20) [Answer each of the questions from the followings; Figures in the right margin indicate full marks. Answer script must be submitted through online method within 5 hours from starting time.
1(a). Discuss the advantages of Hydro-electric Power Plant (HPP) over Steam turbine power plant?
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1(b). Classify various types of dams for HPP. What are the important factors should be considered when selecting site for HPP.
CO1 An,R 2 1(c). For a Hydroelectric power plant the following data is supplied:
Annual rainfall = 1000 mm.
Catchment area = 120 sq. km.
Effective head = 450 m.
Load factor = 40%
Yield factor to allow for run-off and evaporation loss = 50%
Efficiency of the power plant = 70%
Find out the (a) average power produced and (b) capacity of the power plant.
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2(a). Write short notes on nuclear fuel. What advantages Uranium oxide (UO2) has over natural uranium.
CO1 R,U 2 2(b). Write short description on Fast Breeder Reactor explaining how it
works.
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2(c). A nuclear reactor uses U235as fuel. If the mass of the fuel is 1.2 kg and neutron flux is 1016per sec. calculate the power of reactor.
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3(a). Discuss how wastes from nuclear power plant are disposed. CO2 U 2 3(b). How Close cycle MHD generator works, explain with proper diagram. CO1 U 2 3(c). “Combining a MHD generator with a steam turbine power plant can be
highly advantageous”, elaborate this statement?
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4(a). Explain connected load, maximum demand and demand factor.
Evaluate the impact of these factors on a power plant.
CO1 C,E 2 4(b). What are the requirements of a base load power plant? CO1 R 2 4(c). The annual peak load on a 40 MW power station is 35 MW. The power
station supplies loads having maximum demands of 15 MW, 10 MW, 8 MW and 5 MW. The annual load factor is 40%. Find out average load, energy supplied per year, diversity factor and demand factor.
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5(a). Concerning the ongoing power crisis in our country what could be the solution- establishing more conventional power plants or harnessing power from renewable energy sources. Defend your opinion with proper reasoning.
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5(b). Describe types of tariffs with neat diagram. CO1 U 2
Page 2 of 2 5(c). A power station has the following daily load cycle:
Time in hours 6-8 8-12 12-16 16-20 20-24 24-6 Load in MW 20 40 60 20 50 20 Plot the load curve and load duration curve. Also calculate the energy generated per day.
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6. Viva/Viva-Quiz: The time of viva/viva-quiz will be declared in Google classroom.
20
