CS/B.TECH/AUE/SEM-8/AUE-821/2013
2013
ALTERNATIVE FUELS AND ENERGY SYSTEM
Time Allotted : 3 Hours Full Marks : 70
The figures in the margin indicate full marks.
Candidates are required to give their answers in their own words
as far as practicable.
GROUP – A
( Multiple Choice Type Questions )
1. Choose the correct alternative for the following : 10 × 1 = 10
i) Gasohol is a mixture of
a) 90% ethanol + 10% gasoline
b) 10% ethanol + 90% gasoline
c) 10% ethanol + 90% water
d) 90% ethanol + 10% benzene.
ii) Small amount of gasoline is often added to alcohol to
a) reduce the emission
b) increase the power output
c) increase the efficiency
d) improve the cold weather starting.
iii) Anti-knock characteristics of alcohol when compared to
gasoline are
a) higher b) lower
c) equal d) none of these.
iv) Disadvantage of hydrogen as a fuel in IC engine is
a) storage is easy b) low NOX emission
c) detonating tendency d) easy handling.
v) For high octane number of a fuel, flame speed is