Viscosity index of an oil
A.indicates the rate of change of viscosity with temperature
B.indicates the viscosity of 100?F
C.indicates the rate of change of viscosity with pressure
D.indicates the rate of change of specific gravity with pressure
Category: Petroleum Refining Engineering Mcqs
Sulphur content in the kerosine is determined generally by
A.quartz tube method
B.bomb method
C.lamp method
D.none of the above
Which of the following impurities in the crude petroleum is the most prolific producer of HCI during distillation?
A.Sodium chloride
B.Magnesium chloride
C.Calcium chloride
D.Potassium chloride
The general formula of olefins is
A.CnH2n-2
B.CnH2n-4
C.CnH2n+2
D.CnH2n
Pour point of Bombay High crude oil is
A.18?C
B.30?C
C.?15?C
D.?50?C
GASOHOL is a mixture of petrol and
A.water
B.ethyl alcohol
C.kerosine
D.high speed diesel oil
The refractive index of naththas varies
A.inversely with both wave length and temperature
B.directly with both wave length and temperature
C.inversely with wave length and directly with temperature
D.directly with wave length and inversely with temperature
Which of the following compounds is added in LPG to impart a distinct odour?
A.Amyl nitrate
B.Ethyl mercaptan
C.Tetra ethyl lead
D.Phenol
The frequent fluctuation in crude distillation tower top pressure can be caused due to
A.entry of water alongwith top reflux to the tower
B.fluctuations in the tower bottom level
C.fluctuation in the feed rate and feed temperature to the column
D.all of the above
Which of the following petroleum products has maximum kinematic viscosity at a given temperature?
A.Gasoline
B.Aviation turbine fuel
C.Light diesel oil
D.Furance oil
