PETROLEUM REFINERY ENGINEERING QUIZ

Catalyst used in the isomerisation is

Alumina

Nickel

Phosphoric acid

Aluminium chloride

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Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is

1

3

4

2

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Research octane number refers to the

High octane number aviation fuels

Low octane number motor fuels

High octane number motor fuels

Unleaded motor fuels

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The main aim of cracking is to produce

Gasoline

Lube oil

Coke

Petrolatum

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The order of preference for feedstock to a catalytic reformer is

Virgin naphtha - coking naphtha - catalytic naphtha

Virgin naphtha - catalytic naphtha - coking naphtha

Coking naphtha - virgin naphtha - catalytic naphtha

Catalytic naphtha - coking naphtha - virgin naphtha

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Clay treatment of petroleum products

Adsorb arsenic from feedstock to catalytic reforming

All of these

Desulphurise straight run gasoline & kerosene

Decolorises & stabilises cracked gasoline

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The most suitable solvent for deasphalting vacuum residue is

Doctor's solution

Methyl ethyl ketone

Propane

Methanol amine

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__________ test is done to find out the softening point of bitumen.

Impact

Ball and ring

Flame

Viscosity

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The pressure (kg/cm² ) and temperature (°C) maintained in electrical desalters for crude oil are respectively

50 and 250

10 and 300

10 and 120

1 and 200

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Which is almost absent in crude petroleum?

Olefins

Cycloparaffins

Naphthenes

Mercaptans

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