Arrange the following hydrocarbons series in the increasing order of octane number for the same carbon atoms (i) Paraffins (P) (ii) Naphthenes (N) (iii) Aromatics(A)
A.P N A
B.A N P
C.A P N
D.N A P
A.190?F
B.180?F
C.80?F
D.175?F
A.blowing air into vacuum residue
B.hydrogenation of vacuum residue
C.steam reforming of vacuum residue
D.pyrolysis of vacuum residue
A.Naththenic acid
B.Indole
C.Pyrrole
D.Methyl mercaptan
A.Motor spirit
B.Furnace oil
C.High speed diesel oil
D.Kerosine
A.1.2
B.120
C.12
D.21
A.To increase viscosity and pour point
B.in reduce viscosity and pour point
C.to increase viscosity and reduce pour point
D.to reduce viscosity and increase pour point
A.Motor spirit
B.Light diesel oil
C.Aviation turbine fuel
D.High speed diesel oil
A.175? and 185?C
B.900? and 950?C
C.100? and 110?C
D.470? and 490?C
A.Gasoline
B.Aviation turbine fuel
C.High speed diesel oil
D.Furnace oil