Reg No.:

Max. Marks: 100

14

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F5864 Pages: 1

Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FIFTH SEMESTER B.TECH DEGREE EXAMINATION, APRIL 2018

Course Code: AU361
Course Name: ALTERNATIVE FUELS AND ENERGY SOURCES (AU)

PART A
Answer any three full questions, each carries 10 marks
Explain the importance of octane number and cetane number.
How do we measure octane and cetane number?
Write a short note on the implementation barriers of using alternate fuels as IC
engine fuels.
Explain the manufacture of ethanol and its properties.
Explain the performance characteristics of ethanol when used in an IC engine.
What are the major factors that affect power deration in a diesel engine when
using Bio diesel as its fuel?
PART B
Answer any three full questions, each carries 10 marks
Write a note on the properties of hydrogen.
Explain the production of hydrogen bythermal decomposition of water.
Explain the construction details and working of fuel cell.
Explain the limitations of a fuel cell.
Describe the modifications needed in engines to use CNG as its fuel.
Explain the performance of an IC engine when using CNG as its fuel.
Describe the working of a biogas plant with a neat sketch and explain its
performance on IC engines.
PART C
Answer any four full questions, each carries 10 marks
Write a note on the future possibilities of using electric vehicles in the current
energy scenario.
What are the design considerations of an electric vehicle?
Discuss the construction of any two types of solar collectors.
Explain the basic steps for selection of batteries in electric vehicles.
What are the limitations of an electric vehicle.
Describe the constructional features of a solar powered vehicle with a neat
sketch.
What are the general maintenance problems that may occur to the battery of an
electric vehicle?
What are the types of motors used in an electric vehicle?
With a diagram explain the principle and working of a photo voltaic cell.

What are the limitations of using solar power in automobiles.
‏اد اد‎ ೫ ‏اد‎

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Duration: 3 Hours

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