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Chemical Engineering - Petroleum Refinery Engineering

Exercise : Petroleum Refinery Engineering - Section 4
21.
H/C ratio (by weight) for the same number of carbon atoms is the highest in case of
aromatics
paraffins
olefins
naphthenes
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil?
Modern theory
Carbide theory
Engler theory
all (a), (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Higher vapour pressure of gasoline indicates
low flash point
high breathing loss
both (a) and (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as
α-methyl naphthalene.
2-2-4 tri methyl pentane.
1, 3 butadiene.
tetra methyl ethylene.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Pour point of a petrofuel is
multiple of 3°F.
multiple of 5°F.
5°C below the temperature at which oil ceases to flow.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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