PETROLEUM REFINERY ENGINEERING QUIZ

Petroleum is believed to have originated from __________ sources.

Animal

Neither A nor B

Vegetable

Both A & B

TRUE ANSWER : ?
YOUR ANSWER : ?

Dearomatisation of kerosene (by liquid sulphur dioxide extraction) is done to

Decrease the breathing loss

Increase its smoke point

None of these

Improve its oxidation stability

TRUE ANSWER : ?
YOUR ANSWER : ?

Cetane number of a diesel fuel is the measure of its

Ignition delay

Viscosity

Smoke point

Oxidation stability

TRUE ANSWER : ?
YOUR ANSWER : ?

Crude topping column operates at __________ pressure.

Atmospheric

10 atm

3 atm

Vacuum

TRUE ANSWER : ?
YOUR ANSWER : ?

Waxy crudes are treated with chemical additives mainly to

Precipitate wax

Depress its pour point

Remove wax

Dissolve wax

TRUE ANSWER : ?
YOUR ANSWER : ?

Molecular weight of crude petroleum may be around

250

50

5000

1500

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is the most undesirable component in kerosene?

I-paraffins

Naphthenes

N-paraffins

Aromatics

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalyst used in the catalytic cracking is

Vanadium pentoxide

Silica-alumina

Silica gel

Nickel

TRUE ANSWER : ?
YOUR ANSWER : ?

Petrolatum is

Petroleum coke

A mixture of microcrystalline wax in viscous hydrocarbon liquids

Same as petroleum ether

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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

50 and 250

10 and 300

1 and 200

10 and 120

TRUE ANSWER : ?
YOUR ANSWER : ?

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