Q. Solvent used for dewaxing of petroleum products are

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Q. Sulphur content in lighter and heavier petroleum products is generally determined respectively by

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Q. Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely mis-cible. It means that the aniline point of the diesel is __________ the room temperature.

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Q. Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its

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Q. Catalyst used in catalytic polymerisation which produces polymer gasoline is

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Q. Butadiene is a/an

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Q. The proper arrangement of the petroleum fractions in order of their boiling points is

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Q. Octane number of gasoline produced by two stage fluidised catalytic cracking process is

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Q. Pick out the wrong statement.

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Q. Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm² is maintained during cracking mainly to

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Q. Pick out the wrong statement.

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Q. The most widely used crude topping column in refineries is the __________ column.

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Q. Deoiling of wax is done by its

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Q. Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ °C.

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Q. Molecular weight of crude petroleum may be around

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Q. Mercaptans is represented as (where R and R' are alkyl groups)

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Q. Testing of the knocking characteristics of petrofuels is done in a __________ engine.

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Q. Name the hydrocarbon having the poorest oxidation stability.

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Q. The first crude oil refinery of India is located at

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Q. Olefins are

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