Which of the following hydrocarbons present in gasoline are prone to gum formation?
A.Paraffins
B.Naphthenes
C.Olefins
D.Isoparaffins
Category: Petroleum Refining Engineering Mcqs
Which of the following petroleum products has minimum ?API?
A.Gasoline
B.Furnace oil
C.Light diesel oil
D.High speed diesel oil
Sodium plumbite has the chemical formula____________?
A.NaPbO2
B.Na2PbO
C.Na2PbO2
D.Na4PbO
Continue reading “Sodium plumbite has the chemical formula____________?”
The viscosity of the hydrocarbon liquids
A.remains unaffected with change in density
B.decreases with increase in density
C.increases with increase in density
D.none of the above
Sulphur content in heavier products is determined generally by
A.lamp method
B.quartz tube method
C.bomb method
D.none of the above
In alkylation processes olefins react with
A.normal paraffins
B.isoparaffins
C.naphthenes
D.aromatics
The desirable reactions in the catalytic reforming of naphtha are
A.slightly exothermic
B.endothermic
C.autocatalytic
D.highly exothermic
Sulfolane is
A.Ethyl mercaptan
B.thiophene
C.tetrahydrothiophene dioxide
D.methyl mercaptan
Which of the following hydrocarbons are the most desirable in kerosine?
A.Paraffins
B.Isoparaffins
C.Naphthenes
D.Armatics
Antiosidants are added in gasoline
A.to minimize gum formation
B.to prevent icing of the carburettor
C.to prevent the build-up of lead in engines
D.for identification
