PETROLEUM REFINERY ENGINEERING QUIZ

The proper arrangement of the petroleum fractions in order of their boiling points is

Petrol > lubricating oil > diesel > LPG

Petrol > diesel > LPG > lubricating oil

Lubricating oil > petrol > diesel > LPG

Lubricating oil > diesel > petrol > LPG

TRUE ANSWER : ?
YOUR ANSWER : ?

The terminology used for the bottom most product from the vacuum crude distillation unit is

Petrolatum

Residual crude

Residuum

Reduced crude

TRUE ANSWER : ?
YOUR ANSWER : ?

Performance number of a liquid fuel is related to its

Spontaneous ignition temperature

Wax content

Sulphur content

Knocking tendency

TRUE ANSWER : ?
YOUR ANSWER : ?

Pyrolysis of kerosene or natural gasoline is done to produce mainly the

Lighter paraffins

Stabilised gasoline

Diesel

Olefins and aromatics

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalyst used in the isomerisation is

Aluminium chloride

Nickel

Alumina

Phosphoric acid

TRUE ANSWER : ?
YOUR ANSWER : ?

'Solvent naphtha' used mostly as a solvent in paints and perfumery is produced by the __________ of virgin naphtha into small boiling range cuts.

Desulphurisation

Steam reforming

Distillation

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Paraffin base crude oil as compared to asphalt base crude gives

Higher yield of straight run gasoline

Higher octane number gasoline

Poorer yield of lube oil

Lower viscosity index lube oil

TRUE ANSWER : ?
YOUR ANSWER : ?

Crude oils containing more than __________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a 'salty crude'.

25

5

1

15

TRUE ANSWER : ?
YOUR ANSWER : ?

Pressure & temperature maintained in catalytic cracking is about

50atm. & 750°C

10atm & 500°C

2atm & 500°C

30atm & 200°C

TRUE ANSWER : ?
YOUR ANSWER : ?

The characterisation factor of a crude oil is calculated as 12.5. It means that; it is

None of these

Paraffinic

Intermediate

Naphthenic

TRUE ANSWER : ?
YOUR ANSWER : ?

↑