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Chemical Engineering - Petroleum Refinery Engineering

Exercise : Petroleum Refinery Engineering - Section 7
1.
Hydrogen percentage (by weight) in crude petroleum may be about
5
15
25
35
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Which of the following is an additive used for improving the cetane number of diesel ?
Tetraethyl lead
Tetramethyllead
Ethyl nitrate or acetone
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Tetra-ethyl lead is added in gasoline to
increase its smoke point.
reduce gum formation.
reduce the pour point.
increase its octane number.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Aromatics are desired constituents of
lubricating oil
diesel
kerosene
petrol
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Crude topping column operates at __________ pressure.
atmospheric
10 atm
vacuum
3 atm.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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