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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Q. Which of the following is desirable in diesel and kerosene but is undersirable in gasoline ?

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Q. Presence of aromatics in

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Q. Choose the correct statement regarding thermal cracking.

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

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Q. Which is almost absent in crude petroleum?

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Q. Naphthenic acid is a/an __________ compound.

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Q. Glycol added to petrol acts as a/an __________ agent.

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Q. Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil

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Q. Which one is used to determine the colour of petroleum products ?

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Q. Pick out the wrong statement.

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Q. Feedstock for the production of biodiesel is

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Q. Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic

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Q. During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) __________ with increase in the amount of water.

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Q. Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to

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