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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Doctor's solution used for sweetening of petroleum products is

Lead sulphate
Sodium thiosulphate
Sodium plumbite
Sodium sulphite

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Petroleum Refinery Engineering
Water content in the crude oil as it comes out of oil well may be upto __________ percent.

5
25
10
2

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Petroleum Refinery Engineering
Smoke volatility index is equal to smoke point plus

0.84 x (% distilled at 204°C)
0.42 x(% distilled at 204°C)
10 mm. approximately
5 mm

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Petroleum Refinery Engineering
Naphthenic acid is represented by

CnHsub>2n+2O₂ (n ≥ 6)
CnHsub>2n+6O₂ (n ≤ 6)
CnHsub>2n-2O₂
CnH2n+2O₂

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Petroleum Refinery Engineering
Catalyst used in catalytic polymerisation which produces polymer gasoline is

AlCl3
H₂SO₄
H₃PO₄
Both A & B

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Petroleum Refinery Engineering
In solutizer sweetening process, solutizer solution used is

Both A & B
Naphthenic acid in Mercapsol process
Methanol in Unisol process
Neither A nor B

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