PETROLEUM REFINERY ENGINEERING QUIZ

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

25

1

5

15

TRUE ANSWER : ?
YOUR ANSWER : ?

Cracking is

An endothermic reaction

None of these

An exothermic reaction

Favoured at very low temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene?

Pyrolysis

Alkylation

Hydrocracking

Reforming

TRUE ANSWER : ?
YOUR ANSWER : ?

Deoiling of wax is done by its

Solvent extraction

Cooling

Both B & C

Heating

TRUE ANSWER : ?
YOUR ANSWER : ?

For gasoline, the flash point (

Abel apparatus

None of these

Pensky-Marten's apparatus

Saybolt chromometer

TRUE ANSWER : ?
YOUR ANSWER : ?

Gum formation in stored gasoline is mainly due to the

Higher aromatic content

Presence of sulphur

Oxidation & polymerisation of unsaturates

Alkylation of unsaturates

TRUE ANSWER : ?
YOUR ANSWER : ?

During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) __________ with increase in the amount of water.

Increases

Decreases

Decreases linearly

Remains unchanged

TRUE ANSWER : ?
YOUR ANSWER : ?

Specific gravity of a petroleum product gives an indication of its

Hydrocarbon content type (aromatic or paraffinic)

Degree of refinement

Ease of atomisation

Sulphur content

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Residuum

Petrolatum

Reduced crude

Residual crude

TRUE ANSWER : ?
YOUR ANSWER : ?

Smoke point of kerosene is the

Maximum height of flame (in mm) without causing smoking, when burnt in a standard lamp

Temperature at which smoking starts

Time after which smoking starts on burning

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

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