CS/B.TECH(AUE)/SEM-8/AUE-821/2012
2012
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 alternatives from the following :
10 × 1 = 10
i) Gasohol is mixture of
a) 90% ethanol + 10% gasoline
b) 10% ethanol + 90% gasoline
c) 40% ethanol + 60% water
d) 90% methanol + 10% ethanol.
ii) Stoichiometric air fuel ratio of a alcohol when compared
to gasoline is
a) higher b) lower
c) equal d) none of these.
iii) Anti-knock character of methanol compared to ethanol
is
a) higner b) lower
c) same d) none of these.
iv) Octane No. of LPG is about