Petroleum Refinery Engineering Questions

• Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to
• Testing of the knocking characteristics of petrofuels is done in a __________ engine.
• Mercaptans is represented as (where R and R' are alkyl groups)
• Name the hydrocarbon having the poorest oxidation stability.
• Glycol added to petrol acts as a/an __________ agent.
• Electrical desalting of crude oil removes the __________ impurities.
• Deoiling of wax is done by its
• During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) __________ with increase in the amount of water.
• Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its
• An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating.
• Octane number of gasoline produced by two stage fluidised catalytic cracking process is
• Gum formation in stored gasoline is mainly due to the
• Which of the following is desirable in diesel and kerosene but is undersirable in gasoline?
• Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about __________ kms.
• Pick out the wrong statement.
• Pick out the wrong statement.
• Gasoline extracted from natural gas (by compression and cooling) is called the __________ gasoline.
• Olefins are
• Solvent used for dewaxing of petroleum products are
• Which of the following categories of gasoline has the highest lead susceptibility?