Petroleum Refinery Engineering Questions

• Molecular weight of crude petroleum may be around
• Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic
• Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm2 is maintained during cracking mainly to
• A typical yield of diesel in straight run distillation of crude oil may be about __________ percent.
• Which one is used to determine the colour of petroleum products?
• Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil
• The proper arrangement of the petroleum fractions in order of their boiling points is
• Antioxidants are added in petrol to
• The average boiling point of aviation turbine fuel is closest to that of
• Choose the correct statement regarding thermal cracking.
• Presence of aromatics in
• Which is almost absent in crude petroleum?
• The pressure (kg/cm2 ) and temperature (°C) maintained in electrical desalters for crude oil are respectively
• Butadiene is a/an
• The first crude oil refinery of India is located at
• Pick out the wrong statement.
• Sulphur content in lighter and heavier petroleum products is generally determined respectively by
• Phenols are added in gasoline to
• Removal of light fractions from crude oil is called its
• Higher viscosity of lubricating oil usually signifies