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Chemical Engineering - Petroleum Refinery Engineering

Exercise : Petroleum Refinery Engineering - Section 5
41.
Which of the following is not a sulphur compound present in petroleum ?
Thiophenes
Mercaptans
Sulphones
Pyroles
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Products drawn from the top to bottom of the crude oil distillation column has progressively increasing
boiling points
molecular weight
C/H ratio
all (a), (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Asphalts are
low molecular weight & low boiling point compounds present in petroleum.
desirable in catalytic cracking feedstock, because they produce coke.
readily oxidisable and form carbonaceous sludge.
all (a), (b) & (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Smoke point of kerosene is the
time after which smoking starts on burning.
temperature at which smoking starts.
maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
The conductivity of crude oil-water mixture depends on the
pH value
water percentage
temperature
all (a), (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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