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11
Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil?
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Answer: Option B
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12
Petroleum coke is used mainly in the
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Answer: Option C
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13
Maximum use of petroleum coke is in
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Answer: Option C
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14
Aniline point of the diesel is a measure of its __________ content.
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Answer: Option A
Solution:
The aniline point of diesel is a measure of its aromatic content. It is a test used in the petroleum industry to determine the solubility and aromatic hydrocarbon content of diesel fuel. The aniline point is the temperature at which an equal volume of aniline and diesel fuel are completely miscible (able to mix uniformly). It indicates the presence and quantity of aromatic hydrocarbons in the diesel fuel.

Therefore, the correct answer is Option A: Aromatic. The aniline point is a measure of the aromatic content in diesel fuel.

Options B, C, and D refer to different types of hydrocarbons but are not specifically related to the aniline point test for diesel.
15
Concentration of H2SO4 catalyst in alkylation is kept between 90 - 98%, because H2SO4 having concentration
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Answer: Option C
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16
Catalyst used in catalytic reforming is
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Answer: Option A
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17
Complete removal of __________ from gasoline is done by Unisol process using caustic soda and methyl alcohol.
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Answer: Option B
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18
The terminology used for the bottom most product from the vacuum crude distillation unit is
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Answer: Option B
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19
Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the
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Answer: Option D
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20
Electrical desalting of crude oil removes the __________ impurities.
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Answer: Option B
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