Which of the following is/are used as antioxidant in gasoline?
A.Phenols
B.Alcohols
C.Halogenated hydrocarbons
D.Amyl nitrate
Category: Petroleum Refining Engineering Mcqs
Carbon residue of an oil is determined
A.by conradson method only
B.by ramsbottom method only
C.either by conradson method or by ramsbottom method
D.by Pensky-Martens (closed) method
Cleavland method is applicable for determining flash point of lubricating oils and other oils flashing below
A.190?F
B.180?F
C.80?F
D.175?F
Bitumen is produced by
A.blowing air into vacuum residue
B.hydrogenation of vacuum residue
C.steam reforming of vacuum residue
D.pyrolysis of vacuum residue
Which of the following is an oxygen compound?
A.Naththenic acid
B.Indole
C.Pyrrole
D.Methyl mercaptan
Which of the following petroleum products has maximum viscosity at a given temperature?
A.Motor spirit
B.Furnace oil
C.High speed diesel oil
D.Kerosine
The characterization factor (K) for Ankleshwar crude oil is about
A.1.2
B.120
C.12
D.21
The primary purpose of visbreaking process is
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
Which of the following petroleum products has minimum viscosity at a given temperature?
A.Motor spirit
B.Light diesel oil
C.Aviation turbine fuel
D.High speed diesel oil
