Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel).
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Petroleum Refinery Engineering
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Aniline point test of an oil qualitatively indicates the __________ content of an oil.
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Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene.
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Gasoline yield in catalytic reforming of naphtha may be about __________ percent by weight.
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1 centistoke is equal to __________ Redwood I seconds.
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The main aim of cracking is to produce
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The characterisation factor of a crude oil is calculated as 12.5. It means that; it is
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Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners?
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Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has
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Which of the following is desirable in petrol (gasoline) but undesirable in kerosene?
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Octane number of gasoline produced by two stage fluidised catalytic cracking process is
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Which of the following is a non-regenerative fixed bed catalytic reforming process?
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In case of liquid petrofuels, momentary combustion is observed at its
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Main constituent of natural gas is
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Molecular weight of crude petroleum may be around
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The characterisation factor of crude petroleum oil is around
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With increase in the number of carbon and hydrogen atoms in hydrocarbon molecules, the density of petroleum products
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Petroleum deposits are detected by the.
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Gum formation in stored gasoline is mainly due to the
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Which of the following gasolines (unleaded) has the least octane number?
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