PETROLEUM REFINERY ENGINEERING QUIZ

Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene.

1

500

20

100

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Ball and ring

Flame

Impact

Viscosity

TRUE ANSWER : ?
YOUR ANSWER : ?

Furfural solvent extraction is used for upgrading (by dissolving aromatics)

Cracking feedstock

Lubricating oils

Wax

Naphtha

TRUE ANSWER : ?
YOUR ANSWER : ?

Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its

Neither A nor B

Molecular weight

Both A & B

Aromatics content

TRUE ANSWER : ?
YOUR ANSWER : ?

Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute.

30 to 80

450 to 500

250 to 350

1 to 5

TRUE ANSWER : ?
YOUR ANSWER : ?

Bottom product of atmospheric pressure crude oil distillation column is termed as

Heavy ends

Asphalt

Reduced crude

Residuum

TRUE ANSWER : ?
YOUR ANSWER : ?

Petroleum coke is commercially produced by the __________ process.

Delayed coking

Fluid catalytic cracking

Visbreaking

Hydrocracking

TRUE ANSWER : ?
YOUR ANSWER : ?

Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of __________ kcal/kg.

2000-2500

600-750

1000-1500

250-350

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalyst used in alkylation process is

Alumina

Nickel

Silica gel

Sulphuric acid

TRUE ANSWER : ?
YOUR ANSWER : ?

Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm² is maintained during cracking mainly to

Increase the yield of light distillates

Suppress coke formation

Reduce gum content in gasoline

Enhance the octane number of gasoline

TRUE ANSWER : ?
YOUR ANSWER : ?

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