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Chemical Engineering - Petroleum Refinery Engineering

Exercise : Petroleum Refinery Engineering - Section 7
6.
Octane number (unleaded) of gasoline produced by isomerisation of butane may be about
45
55
70
90
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction
heavy distillates
intermediate distillates
light ends
residues
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Feedstock for polymerisation is
naphtha.
cracked gases rich in C2 & C4 olefins.
low boiling aromatics.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Pick out the correct statement pertaining to catalytic cracking.
With increase in the reactor pressure, octane number of gasoline decreases.
With increase in the reactor temperature, gasoline yield decreases for a given conversion.
Percentage conversion increases with increase in the catalyst to oil ratio.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Which of the following is a naphthene ?
Butene
Butadiene
Cyclohexane
Acetylene
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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