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Chemical Engineering
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Petroleum Refinery Engineering
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Question
Petroleum is believed to have originated from __________ sources.
Options
A. vegetable
B. animal
C. both (a) and (b)
D. neither (a) nor (b)
Correct Answer
both (a) and (b)
Petroleum Refinery Engineering problems
Search Results
1. Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency?
Options
A. Paraffins
B. Naphthenes
C. Aromatics
D. Iso-paraffins
Show Answer
Scratch Pad
Discuss
Correct Answer: Paraffins
2. Smoke volatility index is equal to smoke point plus
Options
A. 0.42 x(% distilled at 204°C)
B. 5 mm
C. 0.84 x (% distilled at 204°C)
D. 10 mm. approximately
Show Answer
Scratch Pad
Discuss
Correct Answer: 0.42 x(% distilled at 204°C)
3. Which is the most effective catalyst used in catalytic cracking of petroleum products?
Options
A. Iron oxide
B. Nickel
C. Vanadium pentoxide
D. Zeolite
Show Answer
Scratch Pad
Discuss
Correct Answer: Zeolite
4. 95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C.
Options
A. 2
B. -40
C. 30
D. 55
Show Answer
Scratch Pad
Discuss
Correct Answer: 2
5. Petroleum
Options
A. is optically active.
B. constitutes mainly of olefins.
C. does not contain asphalt.
D. does not contain aromatics.
Show Answer
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Discuss
Correct Answer: is optically active.
6. Choose the correct statement.
Options
A. Octane number of i-octane is zero.
B. Octane number of paraffins increases with increasing number of carbon atoms.
C. Branched chain paraffins have higher octane number than straight chain paraffins with same number of carbon atoms.
D. The aromatics have lower octane number than naphthenes with same number of carbon atoms.
Show Answer
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Discuss
Correct Answer: Branched chain paraffins have higher octane number than straight chain paraffins with same number of carbon atoms.
7. Operating temperature and pressure in catalytic reforming is about
Options
A. 1-5 Kgf/cm
2
& 200°C.
B. 15-45 Kgf/cm
2
& 450-550°C.
C. 50 - 75 kgf/cm
2
& 600 - 800°C.
D. 5-10 kgf/cm
2
& 150 - 250°C.
Show Answer
Scratch Pad
Discuss
Correct Answer: 15-45 Kgf/cm
2
& 450-550°C.
8. The catalytic cracking of heavier petroleum fraction is done to produce mainly
Options
A. gasoline
B. asphalt
C. diesel oil
D. tar
Show Answer
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Discuss
Correct Answer: diesel oil
9. The characterisation factor of a crude oil is calculated as 12.5. It means that; it is
Options
A. paraffinic
B. naphthenic
C. intermediate
D. none of these
Show Answer
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Discuss
Correct Answer: paraffinic
10. In hydrofining catalytic desulphurisation process for sweetening of petroleum products, use of hydrogen
Options
A. enhances the desulphurisation process.
B. minimises coke formation.
C. both (a) and (b).
D. neither (a) nor (b).
Show Answer
Scratch Pad
Discuss
Correct Answer: both (a) and (b).
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