PETROLEUM REFINERY ENGINEERING QUIZ

Gum forming

All of these

Color forming

Asphaltic

Naphthenes

Both A & B

Neither A nor B

Olefins

Both A & B

H₂SO₄ polymerisation process gives gasoline rich in unsaturates

Neither A nor B

In H₂SO₄ polymerisation, H₃PO₄ is always used with 2% steam to prevent meta & ortho H₃PO₄ formation, which are inactive

Gives less tar

All of these

Is light and better

Gives more distillates

Furnace oil

Kerosene

Petrol

Diesel

Decoloration

Dewaxing

Removal of mercaptans

Dearomatisation of kerosene

Increasing its oxidation stability

Improving its lead susceptibility

Removal of dissolved gases from it

Increasing its vapour pressure

Present in substantially good quantity in crude petroleum

None of these

Saturated hydrocarbons

Unsaturated cyclic compounds (hydrocarbons)

Houdry's fixed bed process

Fluidised bed catalytic cracking process

T.C.C. moving bed process

Dubbs process

High purity products can be obtained thereby

Lighter/low boiling products are prone to thermal decomposition

None of these

High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose