Exam Details
| Subject | renewable energy systems | |
| Paper | ||
| Exam / Course | m.tech | |
| Department | ||
| Organization | Institute Of Aeronautical Engineering | |
| Position | ||
| Exam Date | July, 2017 | |
| City, State | telangana, hyderabad |
Question Paper
Hall Ticket No Question Paper Code: BPE701
INSTITUTE OF AERONAUTICAL ENGINEERING
(Autonomous)
M.Tech I Semester End Examinations (Supplementary) July, 2017
Regulation: IARE-R16
RENEWABLE ENERGY SYSTEMS
(Common to
Time: 3 Hours Max Marks: 70
Answer ONE Question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
UNIT I
1. Classify the various configurations of solar cells and explain PIN solar cell with neat sketch.
Explain characteristics of photo current and derive the expression for total current of solar cell.
2. Describe various physical properties and application of superconducting materials in electrical
systems.
A 2cm × 2cm × 0.05mm solar cell has the I-V characteristic with approximate short circuit
current of 0.166 A and open circuit voltage of 0.6V. The I-V characteristic is constant at 0.166A
up to 0.5V. Calculate the fill factor, assuming solar radiation to occur at the intersection of the
two straight lines.
UNIT II
3. What are the classifications of MHD systems? Describe any one of the MHD system with neat
sketch?
What are the important factors to be considered while selecting materials for MHD generator.
4. With the help of neat sketch, discuss different types of rotors used in wind turbines.
Calculate the maximum power output of a 15m diameter wind turbine at one atmospheric pressure
and wind speed of 12m/s.
UNIT III
5. Explain with neat sketch, the single basin double effect tidal power plant.
Illustrate the merits and demerits of tidal power.
6. Describe with block diagram of wave energy conversion system and vertex motion of wave.
Explain working principle of open cycle OTEC system and its applications.
Page 1 of 2
UNIT IV
7. Describe with block diagram, "coal liquefaction process".
Discuss the thermo chemical conversion and ethanol production from biomass.
8. Discuss geothermal power generation using binary cycle.
Describe thermo electric energy conversion.
UNIT V
9. Give a complete description of the working and constructional features of a Phosphoric Acid fuel
cell.
Distinguish between battery and fuel cell.
10. What is the principle of battery and classify various barriers briefly.
Describe the construction and reaction taking place in a lead acid storage battery during charge
and discharge.
INSTITUTE OF AERONAUTICAL ENGINEERING
(Autonomous)
M.Tech I Semester End Examinations (Supplementary) July, 2017
Regulation: IARE-R16
RENEWABLE ENERGY SYSTEMS
(Common to
Time: 3 Hours Max Marks: 70
Answer ONE Question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
UNIT I
1. Classify the various configurations of solar cells and explain PIN solar cell with neat sketch.
Explain characteristics of photo current and derive the expression for total current of solar cell.
2. Describe various physical properties and application of superconducting materials in electrical
systems.
A 2cm × 2cm × 0.05mm solar cell has the I-V characteristic with approximate short circuit
current of 0.166 A and open circuit voltage of 0.6V. The I-V characteristic is constant at 0.166A
up to 0.5V. Calculate the fill factor, assuming solar radiation to occur at the intersection of the
two straight lines.
UNIT II
3. What are the classifications of MHD systems? Describe any one of the MHD system with neat
sketch?
What are the important factors to be considered while selecting materials for MHD generator.
4. With the help of neat sketch, discuss different types of rotors used in wind turbines.
Calculate the maximum power output of a 15m diameter wind turbine at one atmospheric pressure
and wind speed of 12m/s.
UNIT III
5. Explain with neat sketch, the single basin double effect tidal power plant.
Illustrate the merits and demerits of tidal power.
6. Describe with block diagram of wave energy conversion system and vertex motion of wave.
Explain working principle of open cycle OTEC system and its applications.
Page 1 of 2
UNIT IV
7. Describe with block diagram, "coal liquefaction process".
Discuss the thermo chemical conversion and ethanol production from biomass.
8. Discuss geothermal power generation using binary cycle.
Describe thermo electric energy conversion.
UNIT V
9. Give a complete description of the working and constructional features of a Phosphoric Acid fuel
cell.
Distinguish between battery and fuel cell.
10. What is the principle of battery and classify various barriers briefly.
Describe the construction and reaction taking place in a lead acid storage battery during charge
and discharge.
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