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Petroleum Refinery Engineering
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Question
1 centistoke is equal to __________ Redwood I seconds.
Options
A. 1
B. 4.08
C. 0.408
D. 40.8
Correct Answer
4.08
Petroleum Refinery Engineering problems
Search Results
1. Pick out the wrong statement.
Options
A. Pensky-Marten apparatus is used for determining flash points above 50°C.
B. Characterisation factor of paraffinic crude oil is more than 12.
C. Abel apparatus is used for determining flash points below 50°C.
D. An oil having high susceptibility to change in viscosity with temperature changes, has a high viscosity index.
Show Answer
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Discuss
Correct Answer: An oil having high susceptibility to change in viscosity with temperature changes, has a high viscosity index.
2. Clay treatment is used to remove
Options
A. salt from the crude oil.
B. colour & dissolved gases from cracked gasoline.
C. wax from lube oil.
D. none of these.
Show Answer
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Discuss
Correct Answer: colour & dissolved gases from cracked gasoline.
3. Cetane number of a diesel fuel is the measure of its
Options
A. ignition delay
B. smoke point
C. viscosity
D. oxidation stability
Show Answer
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Discuss
Correct Answer: ignition delay
4. The vacuum maintained in vacuum distillation unit for reduced crude is about __________ mmHg.
Options
A. 1.2
B. 12
C. 120
D. 700
Show Answer
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Discuss
Correct Answer: 120
5. The most suitable solvent for deasphalting vacuum residue is
Options
A. propane
B. methyl ethyl ketone
C. doctor's solution
D. methanol amine
Show Answer
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Discuss
Correct Answer: methyl ethyl ketone
6. Gasoline yield in catalytic reforming of naphtha may be about __________ percent by weight.
Options
A. 85
B. 65
C. 50
D. 98
Show Answer
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Discuss
Correct Answer: 85
7. Aniline point of high speed diesel may be about __________ °C.
Options
A. 35
B. 70
C. 105
D. 150
Show Answer
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Discuss
Correct Answer: 70
8. Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners?
Options
A. PCM
B. Tar
C. Light diesel oil
D. Low viscosity furnace oil
Show Answer
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Discuss
Correct Answer: Light diesel oil
9. The conductivity of crude oil-water mixture depends on the
Options
A. pH value
B. water percentage
C. temperature
D. all (a), (b) and (c)
Show Answer
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Discuss
Correct Answer: all (a), (b) and (c)
10. Which of the following is not a sulphur compound present in petroleum?
Options
A. Thiophenes
B. Mercaptans
C. Sulphones
D. Pyroles
Show Answer
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Discuss
Correct Answer: Pyroles
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