Question

Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute.

a.

1 to 5

b.

30 to 80

c.

250 to 350

d.

450 to 500

Answer: (b).30 to 80

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute.

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Which of the following petroleum products contain minimum sulphur ?

Q. Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration

Q. High aniline point of a petrofuel (say diesel) indicates that

Q. The best method of determining sulphur in crude oil is by the __________ method.

Q. Catalyst used in alkylation process is

Q. __________ base crude oil is also called asphaltic crude.

Q. Platforming is a __________ process.

Q. Aromatics have the highes __________ of all the hydrocarbons of same carbon atoms.

Q. In catalytic cracking, the

Q. LPG stands for

Q. "Breathing loss" on storage of gasoline occurs due to the

Q. Which is an anticing compound ?

Q. The terminology used for the bottom most product from the vacuum crude distillation unit is

Q. Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds).

Q. Thermofer catalytic cracking process is a __________ process.

Q. 1 centistoke is equal to __________ Redwood I seconds.

Q. Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of

Q. Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke ?

Q. Octane number (unleaded) of reformed gasoline may be upto

Q. Aniline point is a property of the

Recommended Subjects

Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!