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Chemical Engineering - Petroleum Refinery Engineering

Exercise : Petroleum Refinery Engineering - Section 2
31.
Petrolatum is
same as petroleum ether.
petroleum coke.
a mixture of microcrystalline wax in viscous hydrocarbon liquids.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Electrical desalting of crude oil removes the __________ impurities.
oleophilic
oleophobic
both (a) and (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating.
5
15
40
60
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the
elimination of solvent drying facility.
higher nitration temperature.
lower solvent dilution ratio.
all (a), (b) & (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about __________ kms.
0.1 to 0.5
1.5 to 4.5
7.5 to 12.5
15-20
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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