For SI engines fuels most preferred are
A) aromatics
B) parafins
C) olefins
D) napthenes
Correct Answer:
Verified
Q11: Air fuel ratio at which a petrol
Q12: Advantage of gaseous fuel is that
A)it can
Q13: Paraffins have molecular structure of
A)chain saturated
B)chain unsaturated
C)ring
Q14: Hydrocarbons are decomposed into smaller hydrocarbons by
A)reforming
B)refining
C)cracking
D)polymerization
Q15: The molecular structure of the straight-run gasoline
Q17: For CI engine fuels most preferred are
A)napthenes
B)paraffins
C)olefins
D)aromatics
Q18: Octane number of iso-octane is
A)0
B)30
C)60
D)100
Q19: Ignition quality of diesel fuel is indicated
Q20: Flash point of fuel oil is
A)minimum temperature
Q21: Gasohol is a mixture of
A)90% ethanol +
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