Q. 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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Q. Highest quality bitumen is produced from the __________ crude oil.

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Q. Lane and Garton classification of petroleum is based on its

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Q. With increase in the molecular weight of aromatic present in kerosene, its smoking tendency

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Q. 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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Q. Clay treatment is used to remove

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Q. Water separometer index (modified) (WSIM) of a petrofuel is the measure of its

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Q. Which of the following is a non-regenerative fixed bed catalytic reforming process ?

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Q. Aniline point of high speed diesel may be about __________ °C.

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Q. 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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Q. A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent.

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Q. The vacuum maintained in vacuum distillation unit for reduced crude is about __________ mmHg.

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Q. Which of the following gasolines (unleaded) has the least octane number ?

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Q. Feed for reforming is generally

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Q. Which of the following is the most important property for a jet fuel ?

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Q. Which parameter is used for the grading of paraffin waxes ?

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Q. Which of the following has the highest viscosity of all (at a given temperature) ?

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Q. Older crude petroleum

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Q. Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene ?

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Q. Diesel index is defined as

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