PETROLEUM REFINERY ENGINEERING QUIZ

Visbreaking

Produces fuel oil of lower viscosity

Produces gasoline only

Is carried out at atmospheric pressure

Uses natural gas as feed

TRUE ANSWER : ?
YOUR ANSWER : ?

A good lubricant should have high

Viscosity index

Volatility

Pour point

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Clay treatment of petroleum products

Adsorb arsenic from feedstock to catalytic reforming

Desulphurise straight run gasoline & kerosene

Decolorises & stabilises cracked gasoline

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Octane number of n-heptane is assumed to be

100

∞

70

0

TRUE ANSWER : ?
YOUR ANSWER : ?

Preheating temperature of medium viscosity furnace oil for better atomisation through burner is about __________ °C.

140

50

70

90

TRUE ANSWER : ?
YOUR ANSWER : ?

Aromatics are desired constituents of

Petrol

Lubricating oil

Kerosene

Diesel

TRUE ANSWER : ?
YOUR ANSWER : ?

Pick out the undesirable property for a solvent meant for dewaxing of lube oil.

High solubility of wax in the solvent

Complete miscibility with oil

Both A & B

Neither A nor B

TRUE ANSWER : ?
YOUR ANSWER : ?

Aniline point test of an oil qualitatively indicates the __________ content of an oil.

Olefin

Aromatic

Paraffin

Naphthene

TRUE ANSWER : ?
YOUR ANSWER : ?

Crude oil is subjected to vacuum distillation in the last stage, because

None of these

Lighter/low boiling products are prone to thermal decomposition

High purity products can be obtained thereby

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

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following fractions of petroleum contains maximum sulphur?

Atmospheric residue

Diesel

Gasoline

Naphtha

TRUE ANSWER : ?
YOUR ANSWER : ?