Petroleum Refinery Engineering
Pick out the correct statement pertaining to catalytic cracking.

Percentage conversion increases with increase in the catalyst to oil ratio
With increase in the reactor temperature, gasoline yield decreases for a given conversion
All of these
With increase in the reactor pressure, octane number of gasoline decreases

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Petroleum Refinery Engineering
Pick out the correct statement about catalytic polymerisation.

Both A & B
H₂SO₄ polymerisation process gives gasoline rich in unsaturates
In H₂SO₄ polymerisation, H₃PO₄ is always used with 2% steam to prevent meta & ortho H₃PO₄ formation, which are inactive
Neither A nor B

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