Q. Stabilisation of gasoline (petrol) means

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Q. Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm.

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Q. __________ is not an important refinery process for upgrading the quality of lubricating oil.

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Q. Pick out the undesirable property for a solvent meant for dewaxing of lube oil.

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Q. Which of the following is used as a catalyst in fluidised bed catalytic cracking ?

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Q. Casing head gasoline is the liquid

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Q. Flash point of an oil gives an idea of the

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Q. Furfural solvent extraction is used for upgrading (by dissolving aromatics)

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Q. Illuminating characteristics of kerosene is expressed by its

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Q. Which of the following constituents present in petroleum is responsible for ash formation?

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Q. The coking process normally mostly used in Indian oil refineries is the __________ coking process.

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Q. Diesel used in naval applications has a minimum cetane number of

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Q. Which of the following tests is not done for transformer oil ?

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Q. Which is the most undesirable component in kerosene ?

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Q. Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene.

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Q. Solvent used in duo-sol extraction for lube oil upgradation is a mixture of

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Q. Solution used in Doctor's treatment for the removal of mercaptans is

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Q. Flash point of motor gasoline may be around __________ °C.

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Q. __________ converts n-paraffins to i-paraffins.

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Q. The colour of gasoline is an indication of its

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