Petroleum Refinery Engineering - Section 1 (6)

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.

41.

Pour point and freezing point is equal for

A.	petrol
B.	diesel
C.	water
D.	crude petroleum

Answer: Option C

Explanation:

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

42.

Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about

A.	0.1
B.	1
C.	2.5
D.	3.5

Answer: Option B

Explanation:

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

43.

Flash point of atmospheric distillation residue is determined by __________ apparates.

A.	Pensky-Martens (closed cup type).
B.	Abel.
C.	Cleveland (open cup type)
D.	none of these.

Answer: Option C

Explanation:

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44.

For gasoline, the flash point (<50°C) is determined by the

A.	Abel apparatus.
B.	Pensky-Marten's apparatus.
C.	Saybolt chromometer.
D.	none of these.

Answer: Option A

Explanation:

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45.

Which of the following fractions of a crude oil will have the maximum gravity API (i.e. °API) ?

A.	Diesel
B.	Gasoline
C.	Atmospheric gas oil
D.	Vacuum gas oil

Answer: Option B

Explanation:

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46.

Solvent used in duo-sol extraction for lube oil upgradation is a mixture of

A.	propane & phenol-cresol mixture.
B.	methyl ethyl ketone & glycol.
C.	phenol & furfural.
D.	propane & liquid sulphur dioxide.

Answer: Option A

Explanation:

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

47.

Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene.

A.	Smoking tendency of hydrocarbons increases in the order : paraffins â†’ isoparaffins â†’ naphthenes â†’ aromatics.
B.	Smoking tendency of paraffins increases with decrease in its molecular weight.
C.	Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond.
D.	Smoking tendency of aromatics decreases with increase in its molecular weight.

Answer: Option B

Explanation:

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48.

Which is the most undesirable component in kerosene ?

A.	Aromatics
B.	i-paraffins
C.	n-paraffins
D.	Naphthenes

Answer: Option A

Explanation:

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

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