Sulfolane is
A.Ethyl mercaptan
B.thiophene
C.tetrahydrothiophene dioxide
D.methyl mercaptan
Category: Petroleum Refining Engineering Mcqs
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
Which of the following is a sulphur compound?
A.Ethyl mercaptan
B.Pyridine
C.Naphthenic acid
D.Cumene
Which of the following is a nitrogen compound?
A.Quinoline
B.Ethyl mercaptan
C.Naphthenic acid
D.Tetra ethyl lead
Clay tratment is generally employed for
A.the removal of olefins and diolefins from cracked gases/liquid streams
B.the improvement of colour and odour
C.the oxidation stability of lube base stocks
D.all of the above
The doctor solution consists of sodium plumbite in
A.aqueous caustic soda
B.soda ash
C.water
D.ethanol
Which of the following processes is used to manufacture petroleum coke?
A.Visbreaking
B.Delayed coking
C.Hydrocracking
D.Fluid catalytic cracking
Electrical desalting of crude petroleum is done for
A.the removal of oleophilic impurities only
B.the removal of oleophobic impurities only
C.the removal of both oleophilic and oleophobic impurities
D.the purposes other than the removal of oleophobic or oleophilic impurities
