The general formula of aromatics is
A.CnH2n
B.CnH2n+2
C.CnH2n-6
D.CnH2n-4
Category: Petroleum Refining Engineering Mcqs
The voltage required for good desalting of curde petroleum is approximately
A.1000 volts per inch of distance between electrodes
B.2000 volts per inch of distance between electrodes
C.3000 volts per inch of distance between electrodes
D.4000 volts per inch of distance between electrodes
In the catalytic reforming of naphtha the dehydrogenation of naphthenes gives hydrogen and
A.paraffins
B.aromatics
C.branched chain paraffins
D.none of the above
Smoking tendency of hydrocarbons of same carbon atoms present in kerosine is minimum for
A.Isoparaffins
B.Paraffins
C.Aromatics
D.Naphthenes
Smoking tendency of aromatics present in kerosine
A.remains constant with change in molecular weight
B.increases with increase in molecular weight
C.decreases with increase in molecular weight
Crude petroleum consists of
A.84-87 per cent carbon and 11-14 per cent hydrogen
B.11-14 per cent carbon and 84-87 per cent hydrogen
C.54 per cent carbon and 25 per cent hydrogen
D.70-72 per cent carbon and 5-7 per cent hydrogen
Which of the following types of crude petroleum is the most suitable for the manufacture of bitumen?
A.Naphthenic
B.intermediate
C.Paraffinic
D.Bitumen cannot be manufactured from crude petroleum
Which of the following products contains minimum sulphur?
A.Naphtha
B.Kerosine
C.High speed diesel oil
D.Furnace oil
