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Organisation : University of Kerala
Exam : B.Tech Degree Examination
Document Type : Model Question Paper
Category or Subject : Alternate Energy Sources
Year : November 2016

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Alternate Energy Sources Model Question Paper :

Time: 3 hours
Max. Marks: 100
a) All questions in part A are compulsory. All questions in part A carries 2marks each.
b) Answer one question from each module from Part-B. Each question carries 20 marks.

Related : BO1221 General Informatics and Bioinformatics B.Sc Model Question Paper :

Part – A :
1. What is the need for Non Conventional Energy Sources?
2. What is a Flex Fuel Vehicle?
3. List down the properties of Methanol and Ethanol
4. What are the advantage and disadvantage of using Hydrogen as fuel in IC engines
5. What are the methods in which hydrogen can be transported?
6. Difference between natural gas, producer gas and syngas ?
7. Explain transesterification reaction?
8. Explain the working of a photovoltaic cell
9. What is a solar vehicle?
10. Explain with sketch the series layout hybrid vehicle?

Part – B :
Module-I :
11. Explain how Alcohol can be used as fuel in diesel engine? (10)
12. Explain the methods of methanol production? (10).
13. State the various methods of Ethanol production? (10).
14. Explain about the combustion characteristics of alcohols in SI Engines?(10)

Module-II :
15. Explain the modification necessary in an SI Engines to use hydrogen as fuel(10).
16. Explain the various methods for production of hydrogen gas (10)
17. What are the advantage and disadvantage of using hydrogen as fuel in automobile from safety point of view (10)
18. What are the various methods of hydrogen storage (10)

Module-III :
19. With neat sketch explain the working of KVIC model biogas plant. (10)
20. Explain various stages in biogas production (10)
21. Explain the various raw materials used for biodiesel production (10)
22. Explain the performance of different biodiesel blends in IC engines (10)

Module IV :
23. Explain the various methods of collection and storage of Solar thermal energy(20)
24. What is a hybrid vehicle ?Explain various layout used for hybrid vehicle and compare (20)

Environmental Impact Assessment :
Time : 3 Hours
Maximum Marks : 100

Part – A : (5×8=40 marks)
1. List out the key features of National environmental policy Act.
2. Write a short note on Screening.
3. List out the latest softwares in water and air quality modeling.
4. Write a short note on fault-tree analysis.
5. Explain the checklist method of impact assessment.
6. Briefly explain the various types of Socio-economic impacts.
7. Write a short note on standards for noise quality.
8. Briefly explain the impact of development on vegetation and wild life.

Part-B : (3x 20=60 marks)
Module-I :
9. Explain briefly the evolution of EIA.
10. Explain in general the environmental clearance process in India.

Module-II :
11. Explain the role of public participation in EIA and write a short note on overlay and matrix method of impact assessment.
12. Explain the role of environmental engineer in EIA and write a short note on Event tree analysis.

Module-III :
13. Write a short note on water quality analysis and explain the standards for water quality. OR
14. Explain briefly the preparation of Environmental Management plan for a hydro electric power project

Reinforced Earth :
Time : 3 hours
Max. Marks : 100
** Answer all questions from the Part A and any one question each from each module from the Part B. All questions in Part A carry equal marks.

Part A :
1. Briefly explain the various functions performed by geosynthetics.
2. Briefly describe the mechanism of mobilization of reinforcement strength in the case of (i) Geogrid (ii) Geotextile (iii) Metallic Strips
3. List the various processes by which (i) non-woven geosynthetics and (ii) geogrids are manufactured.
4. List the major raw materials that are used for the manufacture of soil reinforcements.
5. What are the possible modes of failure of a soil-reinforcement system?
6. List the assumptions made by Binquet and Lee in their analysis of reinforced earth beds.
7. List the assumptions involved in the Tie Back Wedge analysis.
8. Discuss the corrosion of steel meshes vis-à-vis degradation of polymeric reinforcements in reinforced soil structures.

Part B :
Modlue I :
9. The following data refers to a reinforced soil structure with strip reinforcement. ?V =4cm, ?H= 10 cm, ? = 20 kN/m3, Max. permissible stress in the reinforcement = 105 kPa, fi = 32o, w=3cm, L = 75 cm, t=0.2cm. Find the equivalent confining stress. What type of failure is expected in the structure. Find the equivalent confining stress if geotextile reinforcement with a stiffness of 1500 kN/m is used instead with a vertical spacing of 8cm. What will be the mode of failure in this case? (20)

10. List (i) Physical properties
(ii) Mechanical properties
(iii) Hydraulic properties
(iv) Constructability/ survivability properties and
(v) Durability properties with respect to geosynthetics. What is the significance of thickness as a property? (20)

Module II :
11. Explain with sketches the various modes of stability of retaining walls. (20)
12. A reinforced soil retaining wall is to retain 6m high soil (f=36o, ? = 16kN/m3 for the reinforced soil fill, foundation and the back fill ). The allowable bearing pressure on the foundation is 300 kPa. Surface of the back fill is horizontal and is subjected to a uniform surcharge pressure of 24 kPa. Geogrid reinforcement with a tensile strength of 110 kN/m shall be used. Design the reinforced soil wall. Take an interaction factor of 0.6. (20)

Module III :
12. Explain concertina method and telescopic method of construction of reinforced soil retaining walls with sketches. (20)
13. What are natural geosynthetics? What are their advantages? Explain the typical situations where natural geosynthetics can be employed. (20)

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