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Petroleum Refinery Engineering
Comments
Question
Bottom product of atmospheric pressure crude oil distillation column is termed as
Options
A. reduced crude
B. heavy ends
C. asphalt
D. residuum
Correct Answer
reduced crude
Petroleum Refinery Engineering problems
Search Results
1. Crude oil is subjected to vacuum distillation in the last stage, because
Options
A. high boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose.
B. lighter/low boiling products are prone to thermal decomposition.
C. high purity products can be obtained thereby.
D. none of these.
Show Answer
Scratch Pad
Discuss
Correct Answer: high boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose.
2. Which of the following is used as a solvent in deasphalting of petroleum products?
Options
A. Furfural
B. Propane
C. Methyl ethyl ketone
D. Liquid sulphur dioxide
Show Answer
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Discuss
Correct Answer: Propane
3. Doctor's solution used for sweetening of petroleum products is
Options
A. sodium plumbite
B. sodium sulphite
C. sodium thiosulphate
D. lead sulphate
Show Answer
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Discuss
Correct Answer: sodium plumbite
4. The yield of straight run LPG from crude oil is about __________ weight percent.
Options
A. 20-25
B. 1-1.5
C. 10-15
D. 0.1-0.2
Show Answer
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Discuss
Correct Answer: 1-1.5
5. Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about __________ kg/cm
2
.
Options
A. 1.5
B. 3
C. 6
D. 12
Show Answer
Scratch Pad
Discuss
Correct Answer: 3
6. Catalyst used in the catalytic cracking is
Options
A. silica-alumina
B. silica gel
C. vanadium pentoxide
D. nickel
Show Answer
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Discuss
Correct Answer: silica-alumina
7. Aniline point test of an oil qualitatively indicates the __________ content of an oil.
Options
A. paraffin
B. olefin
C. aromatic
D. naphthene
Show Answer
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Discuss
Correct Answer: aromatic
8. Isomerisation converts the __________ tot-paraffins.
Options
A. paraffins
B. olefins
C. naphthenes
D. none of these
Show Answer
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Discuss
Correct Answer: paraffins
9. Smoke point of kerosene expresses its
Options
A. burning characteristics.
B. luminosity characteristics.
C. aromatic content directly.
D. lamp wick wetting characteristics.
Show Answer
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Discuss
Correct Answer: burning characteristics.
10. Carbon/hydrogen ratio (by weight) is maximum (out of following) for
Options
A. gasoline
B. kerosene
C. light gas oil
D. heavy fuel oil
Show Answer
Scratch Pad
Discuss
Correct Answer: gasoline
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