HF alkylation units operate at
A.4?C
B.180?C
C.480?C
D.37?C
Category: Petroleum Refining Engineering Mcqs
The temperature maintained in the electrical desalters is normally in the range of
A.200 to 220?C
B.120 to 130?C
C.40 to 50?C
D.250 to 275?C
Zeolite catalyst
A.are crystalline alumino-silicates
B.have high activity than synthetic amorphous catalyst
C.are used in catalytic cracking of heavy vacuum gas oils
D.all of the above
Which of the following hydrocarbons present in gasoline are prone to gum formation?
A.Paraffins
B.Naphthenes
C.Olefins
D.Isoparaffins
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
