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Chemical Engineering - Petroleum Refinery Engineering

Exercise : Petroleum Refinery Engineering - Section 1
36.
Mercaptans are
low boiling sulphur compounds.
added in LPG cylinders to detect gas leakage by its smell.
undesirable in petrol, as they reduce its octane number.
all (a), (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Paraffin base crude oil as compared to asphalt base crude gives
higher yield of straight run gasoline.
higher octane number gasoline.
lower viscosity index lube oil.
poorer yield of lube oil.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
True boiling point apparatus is used for the
determination of characterisation factor.
evaluation of oil stocks.
determination of true vapour pressure.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
In the atmospheric pressure crude distillation, the content of __________ from lighter fraction to heavier ones.
sulphur increases
sulphur decreases
nitrogen decreases
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst.
bauxite
fuller's earth
activated clay
all (a), (b) & (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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