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Chemical Engineering
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Petroleum Refinery Engineering
Comments
Question
LPG stands for
Options
A. liquid petroleum gas
B. liquified petrol gas
C. liquid petrol gas
D. liquefied petroleum gas
Correct Answer
liquefied petroleum gas
Petroleum Refinery Engineering problems
Search Results
1. Clay treatment of petroleum products
Options
A. decolorises & stabilises cracked gasoline.
B. desulphurise straight run gasoline & kerosene.
C. adsorb arsenic from feedstock to catalytic reforming.
D. all (a), (b) & (c).
Show Answer
Scratch Pad
Discuss
Correct Answer: all (a), (b) & (c).
2. Pour point of a petrofuel is
Options
A. multiple of 3°F.
B. multiple of 5°F.
C. 5°C below the temperature at which oil ceases to flow.
D. none of these.
Show Answer
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Discuss
Correct Answer: 5°C below the temperature at which oil ceases to flow.
3. Fuel oil is subjected to visbreaking to reduce its
Options
A. pour point
B. viscosity
C. pressure drop on pumping
D. all (a), (b) and (c)
Show Answer
Scratch Pad
Discuss
Correct Answer: all (a), (b) and (c)
4. Which is the most desirable component of a good quality kerosene?
Options
A.
i
-paraffins
B. Aromatics
C.
n
-paraffins
D. Naphthenes
Show Answer
Scratch Pad
Discuss
Correct Answer:
n
-paraffins
5. Pick out the wrong statement.
Options
A. Aromatics have higher specific gravity than paraffins,
B. Gross calorific value (GCV) of petrofuels is equal to (12400 - 2100 ?
2
) where, ? is the specific gravity of the fuel at 15.5°C.
C. Heavier petrofuels have higher GCV on weight basis (i.e., Kcal/kg) but lower GCV on volume basis (i.e., Kcal/litre).
D. Higher specific gravity of petrofuels means higher C/H ratio.
Show Answer
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Discuss
Correct Answer: Heavier petrofuels have higher GCV on weight basis (i.e., Kcal/kg) but lower GCV on volume basis (i.e., Kcal/litre).
6. The terminology used for the bottom most product from the vacuum crude distillation unit is
Options
A. residual crude
B. residuum
C. reduced crude
D. petrolatum
Show Answer
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Discuss
Correct Answer: residuum
7. Which of the following petroleum products contain minimum sulphur?
Options
A. Naphtha
B. Kerosene
C. LSHS
D. Furnace oil
Show Answer
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Discuss
Correct Answer: Naphtha
8. Molecular weight of petrol may be about
Options
A. 40-60
B. 100-130
C. 250-300
D. 350-400
Show Answer
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Discuss
Correct Answer: 100-130
9. In catalytic cracking, the
Options
A. gasoline obtained has a very low octane number.
B. pressure & temperature is very high.
C. gasoline obtained has very high aromatic content.
D. gasoline obtained has very high amount of gum forming compounds.
Show Answer
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Discuss
Correct Answer: gasoline obtained has very high aromatic content.
10. __________ base crude oil is also called asphaltic crude.
Options
A. Paraffinic
B. Naphthenic
C. Mixed
D. Aromatic
Show Answer
Scratch Pad
Discuss
Correct Answer: Naphthenic
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