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APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FIFTH SEMESTER B.TECH DEGREE EXAMINATION, DECEMBER 2017

Course Code: AU361
Course Name: ALTERNATIVE FUELS AND ENERGY SOURCES (AU)
Max. Marks: 100 Duration: 3 Hours
PARTA
Answer any three full questions, each carries 10 marks. Marks
1 2) List 5 different types of energy sources. (4)
b) What is conventional and non — conventional sources of energy? (4)
c) What is the difference between bio — diesel, bio — fuel and bio — gas? (2)
2 ஐ What is the reason for the sudden shift to alternate fuels? (2)
0) List 5 alternate fuels which are gaining popularity? (4)

c) What are the different methods used to measure octane number / rating ofa fuel? (4)
3 a) Draw a block diagram to explain how methanol is manufactured from coal / (6)

lignite.
b) What are the fuel properties used to compare alcohol fuels with gasoline? (4)
4 How the engines using pure alcohol fuels perform as compared to engines using (10)
petrol?
PART 8
Answer any three full questions, each carries 10 marks.
5 Explain the various fuel related properties of hydrogen which make it desirable (10)
as an alternate fuel?
6 9) What are the various sources of hydrogen? (2)
b) List various processes of hydrogen production. (5)
c) List the various methods available for hydrogen storage. (3)
7 a) What is natural gas? (2)
b) What are the advantages and disadvantages of using natural gas as a fuel? (5)
c) List the engine modifications required to use CNG in diesel engines. (3)
8 With the help of neat sketch explain the construction and working of wind (10)
turbine?
PART C
Answer any four full questions, each carries 10 marks.
9 2) What is solar power? (2)

b) Briefly explain about the purpose and types of solar collectors used to collect (4)
solar energy.

c) How is the greenhouse effect related to the working of a photovoltaic cell? (4)

10 a) What are the applications of flat type solar collectors? (3)

b) Explain the different types of flat type solar collector with the help of a neat (7)

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