Petroleum Refinery Engineering Questions

• Waxy crudes are treated with chemical additives mainly to
• Pick out the wrong statement.
• Water content in the crude oil as it comes out of oil well may be upto __________ percent.
• A multigrade lubricating oil means an oil having high
• Reforming converts
• Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm.
• Reforming
• __________ treatment is done for appreciable improvement in viscosity index of lubricating oil.
• Which of the following is the easiest to crack?
• CnH2n is the general formula for
• Octane number of n-heptane is assumed to be
• H/C ratio (by weight) for the same number of carbon atoms is the highest in case of
• High aniline point of a petrofuel (say diesel) indicates that
• Pick out the wrong statement.
• Flash point of a liquid petroleum fuel gives an idea about its
• Platforming is a __________ process.
• Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as
• __________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation.
• Sweetening of petroleum product means the removal of
• The best method of determining sulphur in crude oil is by the __________ method.