Petroleum Engineering Question:

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

A. Naphtha
B. Vacuum residue
C. Light gas oil
D. Diesel

Petroleum Engineering Interview Question
Petroleum Engineering Interview Question

Answer:

Option B

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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

A. thermal cracking
B. gum formation
C. coking
D. discoloration		Which of the following gasolines (unleaded) has the least octane number?

A. Catalytically cracked gasoline
B. Straight run gasoline
C. Catalytically reformed gasoline
D. Polymer gasoline