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Petroleum Refinery Engineering - Section 1 (5)

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Directions to Solve

Petroleum Refinery Engineering - Section 1

This is the branch of engineering and if you have
knowledge about this field then you can solve the MCQs available on these problems.

33. 

Visbreaking process is used mainly for making

A. high cetane diesel
B. high octane gasoline
C. fuel oil
D. smoke free kerosene

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

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34. 

Viscosity index of a lubricating oil

A. is the measure of its flash point.
B. is the measure of variation of viscosity with temperature.
C. should be low.
D. none of these.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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35. 

Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater.

A. electric immersion
B. pipestill
C. steam coil
D. none of these

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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36. 

Casing head gasoline is the liquid

A. butane.
B. propane.
C. natural gas.
D. gasoline separated from wet natural gas by compression.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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37. 

Which of the following is used as a catalyst in fluidised bed catalytic cracking ?

A. Silica-magnesia
B. Silica-alumina
C. Bentonite clays
D. All (a), (b) and (c)

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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38. 

Pick out the undesirable property for a solvent meant for dewaxing of lube oil.

A. Complete miscibility with oil.
B. High solubility of wax in the solvent.
C. Both (a) and (b).
D. Neither (a) nor (b).

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

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39. 

__________ is not an important refinery process for upgrading the quality of lubricating oil.

A. Deoiling
B. Solvent refinning
C. Clay treatment
D. Hydrotreatment

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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40. 

Smoke point of a test sample of kerosene is found to be 15 mm. On removal of __________ from it, the smoke point rises to 25 mm.

A. n-paraffins
B. olefins
C. aromatics
D. none of these

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

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