Petroleum Refinery Engineering

291. Which of the following is desirable in petrol (gasoline) but undesirable in kerosene?

1. Paraffins
2. Aromatics
3. Mercaptans
4. Naphthenic acid

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292. Which of the following is not an important property of fuel oil/furnace oil?

1. Sulphur content
2. Viscosity
3. Aniline point
4. Flash point

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293. Which of the following is the easiest to crack?

1. Paraffins
2. Olefins
3. Naphthenes
4. Aromatics

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

1. Cloud point
2. Pour point
3. Colour
4. Freezing point

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295. Which of the following is the most suitable feed for platforming process (reforming)?

1. Olefinic hydrocarbon
2. Naphtha
3. Fuel oil
4. Atmospheric residue

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296. Which of the following is the most widely used cracking process in oil refineries?

1. Dubbs process
2. T.C.C. moving bed process
3. Fluidised bed catalytic cracking process
4. Houdry's fixed bed process

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

1. Silica-magnesia
2. Silica-alumina
3. Bentonite clays
4. All (A), (B) and (C)

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298. Which of the following is used as a solvent in deasphalting of petroleum products?

1. Furfural
2. Propane
3. Methyl ethyl ketone
4. Liquid sulphur dioxide

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299. Which of the following petroleum products contain minimum sulphur?

1. Naphtha
2. Kerosene
3. LSHS
4. Furnace oil

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300. Which of the following processes consumes hydrogen?

1. Fluid catalytic cracking
2. Visbreaking
3. Propane deasphalting
4. None of these

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