Chemical Engineering - Petroleum Refinery Engineering

41.
Waxy crudes are treated with chemical additives mainly to
depress its pour point
dissolve wax
precipitate wax
remove wax
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
__________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation.
Magnesium
Potassium
Calcium
Sodium
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.
Molecular weight of petrol may be about
40-60
100-130
250-300
350-400
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
Which of the following factors does not govern the mechanism of petroleum formation from organic sources ?
pH of the soil
Bacterial action
Heat
Pressure
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.
Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute).
5-10
30-80
150-250
350-400
Answer: Option
Explanation:
No answer description is available. Let's discuss.