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Ece 573: Renewable Energy Technologies Question Paper

Ece 573: Renewable Energy Technologies

Course:Bachelor Of Engineering In Electrical And Electronics Engineering

Institution: Moi University question papers

Exam Year:2012

MOI UNIVERSITY
DEPARTMENT OF ELECTRICAL AND COMMUNICATION ENGINEERING
ECE 573: RENEWABLE ENERGY TECHNOLOGIES

CONTINUOUS ASSESSMENT TEST

INSTRUCTIONS: Question one is compulsory and answer any other question.

QUESTION ONE
a.
i. What is meant by Fermi energy level? Where does it lie in the band gap for the P and N regions of solar cell?

ii. Explain the function of depletion layer in a solar cell operation.

iii. What is the energy associated with photon of yellow light (wavelength 600 nm)

b.
i. Find the angle subtended by a beam radiation with a normal to the flat plate collector at 9 am for the day on 30th October, 2003. The collector is placed at Mumbai (19 degrees 07 minutes, 72 degrees 51 minutes East), inclined at an angle 36 degrees wit the horizontal and is facing south.

ii. Compute the local apparent time corresponding to 14:30 IST on July 1 at New Delhi (28 degrees 35 minutes North, 77 degress, 12 minutes East) with correction of time minus 4 minutes, if IST is based on 82 degrees, 30 minutes East. (15mks)

QUESTION TWO
a. Discuss very briefly renewable and conventional forms of energy, highlighting their merits and demerits.

b. Discuss very briefly the atmospheric pollution threat posed to the environment from thermal and Nuclear power plants. (15mks)

QUESTION THREE
a. What is "Kyoto Protocol"? Briefly discuss the importance of Kyoto Protocol for environmental safety.

b. How does environment get affected by the use of the following sources of energy?
i. Solar energy sources
ii. Biomass energy sources
iii. Wind energy sources. (15mks)

Ece 573: Renewable Energy Technologies Question Paper

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