Which of the following statements about catalytic cracking is accurate?

Petroleum Refinery Engineering MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Petroleum Refinery Engineeringchemical-engineering › petroleum-refinery-engineering
Published
7 Mar 2019
Last updated
28 May 2026

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Explanation

Statement A is correct: increasing the reactor pressure results in a decrease in the octane number of gasoline. Statement B is also accurate: higher reactor temperatures reduce gasoline yield for a given conversion. Statement C is true as well: increasing the catalyst-to-oil ratio enhances the percentage conversion. Therefore, all statements A, B, and C are valid.

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