Petroleum Refinery Engineering

301. Which of the following processes in oil refinery does not employ „cracking‟?

1. Coking
2. Visbreaking
3. Pyrolysis
4. None of these

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302. Which of the following processes is used for the production of petroleum coke?

1. Stabilisation
2. Visbreaking
3. Cracking
4. Reforming

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303. Which of the following reactions is undesirable in the production of catalytically reformed gasoline?

1. Dehydrogenation of Naphthene
2. Dehydrogenation of lower paraffins
3. Dehydrocyclization of higher paraffins
4. Isomerisation of paraffins

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

1. Flash point and acid value
2. Aniline point
3. Dielectric strength
4. Copper strip corrosion test

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305. Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil?

1. Modern theory
2. Carbide theory
3. Engler theory
4. All (A), (B) and (C)

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306. Which one is preferred for aircraft engine?

1. High viscosity index lube oil
2. Low viscosity index lube oil
3. High freezing point aviation fuel
4. None of these

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

1. Colour comparator
2. Saybolt chromometer
3. Cleveland apparatus
4. None of these

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

1. Reforming
2. Pyrolysis
3. Alkylation
4. Hydrocracking

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

1. Specific gravity
2. Melting point
3. Viscosity
4. Penetration number

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310. With increase in density, the viscosity of petroleum products

1. Increases
2. Decreases
3. Remain same
4. Either (A) or (B)

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