07A70209 Non-Conventional Sources of Energy B.Tech Question Paper : scce.ac.in

Name of the College : SREE CHAITANYA COLLEGE OF ENGINEERING
University : JNTUH
Department : Mechanical Engineering
Subject Code/Name : 07A70209/NON-CONVENTIONAL SOURCES OF ENERGY
Year/Sem : IV/I
Website : scce.ac.in
Document Type : Model Question Paper

Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/scce.ac.in/4916-07A70209-NON-CONVENTIONALSOURCESOFENERGY.pdf

SCCE Sources of Energy Question Paper

Code No: 07A70209
R07 Set No. 2
IV B.Tech I Semester Examinations,

Related : Sree Chaitanya College Of Engineering 07A80307 Automation in Manufacturing B.Tech Question Paper : www.pdfquestion.in/4918.html

Common to Mechanical Engineering, Mechatronics, Electrical And Electronics Engineering
Time: 3 hours
Max Marks: 80

December 2012

Answer any FIVE Questions :
All Questions carry equal marks :
1. (a) Write short notes on solar radiation on tilted surfaces.
(b) State principle of solar thermo-electric converters. [10+6]
2. (a) Explain the dierence between geothermal plant and thermal plant.
(b) Explain the various methods to extract geothermal energy. [8+8]

3. (a) Explain various configurations of KVIC biogas plants with neat sketches.
(b) Explain the process of anaerobic digestion. [8+8]
4. (a) Discuss the economic feasibility of harnessing solar energy.
(b) What is meant by renewable energy sources? [10+6]

5. (a) Define:
i. Cut-in speed
ii. Cut-out speed
iii. Yaw control
iv. Coefficient of performance of a wind mill.
(b) Classify wind energy conversion systems. [10+6]

6. (a) What are the civil works design considerations for mini and micro hydel power plants?
(b) Explain the fundamental principle of tidal energy generation. [12+4]

7. Explain the following with relavent expressions:
(a) Seebeck effect
(b) petier effect
(c) Thompson effect. [16]

8. (a) What is the principle collection of solar energy used in a non-connective Solar pond?
(b) Describe a passive solar space heating system. [8+8]

Code No: 07A70209
R07 Set No. 4
1. (a) Explain the principle of conversion of solar energy into heat.
(b) Why orientation is needed in concentrating type collectors? [10+6]

2. (a) Discuss the various sources of energy available with oceans.
(b) Explain the methods for the utilization of tidal energy in single basin arrangement. [4+12]
3. (a) Describe the main considerations in selecting a site for wind generators.
(b) Derive the expression for power developed due to wind. [10+6]

4. (a) What is the principle of solar photovoltaic power generation. What are the main elements of a PV system?
(b) Explain the terrestrial solar radiation. [8+8]

5. (a) Discuss briefly various possible large scale applications of solar energy.
(b) Describe the solar power plant. [10+6]
6. (a) Explain the principle of MHD power generation.
(b) Derive an expression for the efficiency of thermo electric generators. [6+10]

7. Explain the various factors aecting the generation of biogas. [16]
8. (a) Explain the principle and operation of a liquid dominated system with a neat sketch.
(b) Explain the displacement machine with a neat sketch and mention its advantages and disadvantages. [8+8]

December 2011

IV B.Tech I Semester Examinations, :
Non-Conventional Sources Of Energy :
1. (a) Describe, what are the main elements of a PV system.
(b) Describe thermal energy storage system. [8+8]
2. (a) Explain the construction of Chinese biogas plant.
(b) Classify biogas plants and discuss their salient features. [6+10]

3. What are the diculties in large scale utilization of geothermal energy? What development could increase the role of geothermal energy in future? [16]
4. (a) Describe the dierent Schemes for wind electric generation.
(b) Describe the generator control schemes. [8+8]

5. Explain various methods for the utilization of the tidal energy. [16]
6. (a) Compare the following types of collectors.
i. Flat plate
ii. Paraboloidal
iii. Parabolic through
(b) Explain working of a solar thermal water pump. [8+8]

7. (a) What is solar cell? Explain its principle of operation.
(b) What is solar energy? How solar energy may be utilized in generation of electrical power? [10+6]

8. (a) Explain the principle and working of MHD accelerator.
(b) Explain important factors to be considered for selecting materials for MHD generator. [10+6]

IV B.Tech I Semester Examinations,December 2011 :
Non-Conventional Sources Of Energy :
1. (a) Derive the expression for power developed due to wind energy.
(b) What are the advantages and disadvantages of vertical axis wind mills over horizontal type? [10+6]

2. Write short notes on the following :
(a) Figure of merit of thermo couple
(b) Fossil fuel cell
(c) Thermal ionization. [16]

3. (a) Describe in brief, the dierent energy storage methods used in The solar systems.
(b) Distinguish between an abrupt and graded in Junction. [10+6]
4. (a) What are the advantages and disadvantages at photovoltaic solar energy conversion?
(b) Discuss the economic feasibility of harnessing solar energy. [10+6]

5. (a) State principle of solar thermo-electric converters.
(b) What are the main advantages and disadvantages of a solar furnace?