sub: RES
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Unit – I
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(a) Explain
clearly the term ‘Renewable Energy Sources’
June 2014
(b) Explain
the prospects of renewable energy sources with reference to Indian
context June 2014
(c) What
is beam and diffused radiation?
May 2013
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(a)
What is solar radiation data? Dec 2012
(b)
Define Hour angle, Altitude angle,
Solar Azhimuth angle, Declination angle May 2013
(c) What is a solar constant
April 2012
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(a)
Briefly
describe the impact of solar power on environment
April 2012
(b)
Briefly explain the role and potential of Renewable
Energy Sources April 2012
(c)
Explain Extraterrestrial and terrestrial solar
radiation April 2012
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(a)
What is the difference between pyrheliometer
and pyranometer? June 2014
(b)
Explain
any one instrument for measuring solar radiation May 2013
(c)
Explain the working of sun shine recorder with a
neat sketch April 2012
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Unit – II
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(a)
What are the main components of Flat plate
collector
June 2014
(b)
Explain the construction and working of solar
flat plate collectors May 2013
(c)
Discuss the thermal analysis of flat plate
collector with necessary equations
May 2013
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(a)
With the aid of neat sketch classify flat
plate collectors for water/air heating April 2012
(b)
Explain different types of concentrating
collectors Dec 2012
(c)
Differentiate between flat plate and
concentrating collectors Dec 2012
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(a)
Differentiate
flat plate collector and parabolic collector with their salient features April
2012
(b)
Explain the characteristic curve of a liquid flat
plate collector April 2012
(c)
Explain the
advantages and disadvantages of concentrating collectors over flat plate
Plate
collectors
June 2014
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(a) Explain
different types of concentrating collectors
Dec 2012
(b) Explain
physical principle of conversion of solar radiation into heat
(c) What
is transmissivity
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Unit – III
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(a)
Classify methods of solar energy storage
June 2014
(b)
Describe thermal energy storage in detail
June 2014
(c)
What is the principle of solar photovoltaic
power generation June 2014
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(a)
Explain the construction and working of a
solar pond with neat sketch. May 2013
(b)
Draw and discuss the IV Characteristics
of single crystalline solar cell April 2012
(c)
Discuss in detail the various parameters
to be considered in detail for the design of
Solar water heating systems
and its efficiency. April 2012
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(a)
Derive an expression for daily yield that can
be obtained in a solar still April 2012
(b)
Explain principle and operation of non
convective solar pond in detail April 2012
(c)
Explain the process of solar distillation
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(a) Explain Solar production of hydrogen
(b)Explain the working of a solar furnace
(c)Explain the working of a solar pump
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Unit – IV
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(a) Discuss about the performance characteristics of
wind turbines.
May 2013
(b) Discuss about different configurations of wind
turbines May 2013
(c) List out the differences between horizontal and vertical
wind mills
April 2012
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2.
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(a)Derive an expression for axial force on the turbine
blade
May 2013
(b) What is Betz limit? Derive an expression for
it
Dec 2012
(c) Prove that in case of horizontal axis wind turbine,
maximum power can be obtained
When Exit Velocity = 1/3 wind velocity and Pmax
= 8/27 pAV3 June 2014
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3.
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(a) Explain the importance of torque coefficient of a
wind turbine April 2012
(b) Describe the potential for wind power in India April 2012
(c) Explain the phenomenon of dynamic matching April 2012
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4.
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(a) Explain savonius Rotor
(b) Explain the working principle of Darrius Rotor
(c) What are the applications of wind energy
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Unit – V
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1.
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(a) What is anaerobic digestion? May 2013
(b) Explain how biogas is produced by anaerobic digestion. May 2013
(c) What is the difference between biomass and
biogas
June 2014
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2.
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(a) How biomass conversion takes place
June 2014
(b) How Biogas plants are classified
June 2014
(c) What are the applications of biogas
April 2012
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3.
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(a) Explain the construction and working of Janata bio
digester with a neat sketch. May 2013
(b) Discuss the operation of floating drum digester
with a neat sketch
Dec 2012
(c) Discuss the present status of development of biomass
energy resources in India April 2012
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4.
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(a) Discuss the present status of development of biomass
energy resources in India April 2012
(b) Write short notes on economic aspects of
Biofuels
April 2012
(c) Write short notes on Biogas for IC
Engines
April 2012
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Unit
- VI
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1.
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(a) Define Geothermal Source and classify Geothermal
sources
June 2014
(b) Briefly highlight the prospects of Geothermal
energy in Indian context June 2014
(c) Explain the energy extraction from hot dry rocks.
May 2013
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2.
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(a) Explain the harnessing techniques of geothermal
energy.
April 2012
(b) Briefly write notes on social and environmental aspects
of geothermal energy April 2012
(c) Give various
applications of geothermal energy
April 2012
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3.
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(a) Explain Liquid Dominated systems of geo thermal
energy Dec 2012
(b) What is the potential of
geothermal energy worldwide April 2012
(c) Explain Vapour Dominated systems of Geothermal
energy
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4.
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(a) Classify prime movers for Geothermal energy
conversion
(b) What are the limitations of a Flashed steam system
(c) Describe the principle of total flow concept
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Unit -
VII
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1.
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(a) What is the basic principle of Ocean thermal energy
conversion
June 2014
(b) What are the main types of OTEC Power Plants
June 2014
(c) Explain the basic principle of Tidal Power
June 2014
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2.
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(a) Explain the closed cycle operation of OTEC system
with neat schematic diagram. May 2013
(b) List out the advantages
and disadvantages of OTEC systems April 2012
(c) Explain the Open cycle operation of
OTEC system with neat schematic diagram
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3.
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(a) Discuss about various types of turbines used for
tidal energy conversion.
May 2013
(b) Describe various modes of operations of tidal
schemes
April 2012
(c) What is the source
of Tidal Energy? Discuss Potential in Tides April 2012
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(a) Explain the potential and kinetic energies
associated with wave energy April 2012
(b) Explain the devices used for wave energy
conversion
Dec 2012
(c) write short notes on small head hydro power
development
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Unit -
VIII
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(a) Explain the need for Direct energy conversion
systems
June 2014
(b) Explain any one Direct energy conversion systems
stating its advantages and Disadvantages
(c) What are the limitations of Direct energy conversion systems May2013
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(a) Explain the thermionic energy conversion
May 2013
(b) Discuss about carnot cycle in detail?
Dec 2012
(c) Derive an expression for efficiency of carnot
cycle
Dec 2012
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(a) Explain Basic Thermionic Generator
(b) Give Examples of Direct Energy Conversion
(c) Derive the expression for power and efficiency for
a Thermionic Generator
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(a) What is work function of metal
(b) Write short notes on Seebeck effect
(c) Explain Selection of Thermoelectric Materials
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