PETROLEUM REFINERY ENGINEERING QUIZ

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

Wax

Cracking feedstock

Naphtha

Lubricating oils

TRUE ANSWER : ?
YOUR ANSWER : ?

Olefins are

Unsaturated cyclic compounds (hydrocarbons)

Present in substantially good quantity in crude petroleum

Saturated hydrocarbons

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Reforming

Does not much affect the molecular weight of the feed

Improves the quality & yield of gasoline

Uses naphtha as feedstock

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Aniline point is the temperature at which

Equal weight of diesel & the aniline are completely miscible

Equal volume of aniline & the test sample are completely miscible

Equal weight of aniline & the test sample are completely miscible

Aniline vaporises

TRUE ANSWER : ?
YOUR ANSWER : ?

Mercaptans are

Low boiling sulphur compounds

All of these

Added in LPG cylinders to detect gas leakage by its smell

Undesirable in petrol, as they reduce its octane number

TRUE ANSWER : ?
YOUR ANSWER : ?

Doctor's solution used for sweetening of petroleum products is

Sodium plumbite

Sodium sulphite

Lead sulphate

Sodium thiosulphate

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke?

Vacuum residue

Light gas oil

Diesel

Naphtha

TRUE ANSWER : ?
YOUR ANSWER : ?

Paraffins are desirable in lubricating oil, as it has got high

Smoke point

Viscosity index

Pour point

Viscosity

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is an additive used for improving the cetane number of diesel?

Tetramethyllead

Tetraethyl lead

Ethyl nitrate or acetone

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

A good lubricant should have high

Volatility

Pour point

None of these

Viscosity index

TRUE ANSWER : ?
YOUR ANSWER : ?