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Chemical Engineering:: Petroleum Refinery Engineering
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Section 1
Exercise
Section 1
Section 2
Section 3
Section 4
Section 5
Section 6
Section 7
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1
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 & Explanation
Option C
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2
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 & Explanation
Option B
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3
Pour point and freezing point is equal for
A.
petrol
B.
diesel
C
water
D.
crude petroleum
Answer & Explanation
Option C
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4
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 & Explanation
Option C
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5
Mercaptans are
A.
low boiling sulphur compounds.
B.
added in LPG cylinders to detect gas leakage by its smell.
C
undesirable in petrol, as they reduce its octane number.
D.
all (a), (b) and (c)
Answer & Explanation
Option D
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