Category: Petroleum Refinery Engineering

A. With increase in the reactor pressure, octane number of gasoline decreases
B. With increase in the reactor temperature, gasoline yield decreases for a given conversion
C. Percentage conversion increases with increase in the catalyst to oil ratio
D. All A., B. and C.

A. Paraffins
B. Diolefins
C. Aromatics
D. Naphthenes

A. Smoking tendency of hydrocarbons increases in the order: paraffins → isoparaffins →
naphthenes → aromatics
B. Smoking tendency of paraffins increases with decrease in its molecular weight
C. Smoking tendency of naphthenes decreases with its increasing molecular weight & also on
addition of double bond
D. Smoking tendency of aromatics decreases with increase in its molecular weight

A. Saturated hydrocarbons
B. Unsaturated cyclic compounds (hydrocarbons)
C. Present in substantially good quantity in crude petroleum
D. None of these

A. Methyl-ethyl-ketone (MEK)
B. Naphtha
C. Petroleum ether
D. Sodium plumbite

A. Stabilisation
B. Visbreaking
C. Cracking
D. Reforming

A. H2SO4
B. H3PO4
C. HF
D. AlCl3

A. Discoloration of yellow glycerine
B. Sugar refining
C. Manufacture of carbon electrode
D. Blast furnace for reduction of iron ore

A. Paraffins
B. Olefins
C. Naphthenes
D. Aromatics

A. Nitrogen compounds
B. Organometallic compounds
C. Sulphur compounds
D. Oxygen compounds