31. Molecular weight of crude oil is in the range of
32. Octane number of gasoline is a measure of its
33. In petroleum refining, the process used for conversion of hydrocarbons to aromatics is
34. Illuminating characteristics of kerosene is expressed by its
35. Increase in the specific gravity of petroleum products indicates
36. The condesate obtained on compression of wet natural gas is termed as
37. An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating.
38. The pressure (kg/cm2) and temperature (°C) maintained in electrical desalters for crude oil are respectively
39. Which of the following has the highest gum forming tendency in gosoline?
40. Highest quality bitumen is produced from the __________ crude oil.
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