PETROLEUM REFINERY ENGINEERING QUIZ

Which of the following has the highest gum forming tendency in gosoline?

Naphthenes

Diolefins

Paraffins

Aromatics

TRUE ANSWER : ?
YOUR ANSWER : ?

Naphtha yield in straight run distillation of crude oil may be about __________ percent.

12

18

2

6

TRUE ANSWER : ?
YOUR ANSWER : ?

Research octane number refers to the

High octane number aviation fuels

Unleaded motor fuels

Low octane number motor fuels

High octane number motor fuels

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ treatment is done for appreciable improvement in viscosity index of lubricating oil.

Acid

Solvent extraction

Clay

Alkali

TRUE ANSWER : ?
YOUR ANSWER : ?

Name the hydrocarbon having the poorest oxidation stability.

Naphthene

Olefin

Paraffin

Aromatics

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Paraffinic

None of these

Intermediate

Naphthenic

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is used as a solvent in deasphalting of petroleum products?

Liquid sulphur dioxide

Methyl ethyl ketone

Propane

Furfural

TRUE ANSWER : ?
YOUR ANSWER : ?

Smoke point of a good burning kerosene may be around __________ mm.

20-25

60-75

100-120

0-5

TRUE ANSWER : ?
YOUR ANSWER : ?

Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil

Higher gum forming material in petrol

Higher sulphur content in the product

Lower octane number of petrol

Gives higher yield of petrol

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is the most undesirable component in kerosene?

Aromatics

N-paraffins

I-paraffins

Naphthenes

TRUE ANSWER : ?
YOUR ANSWER : ?

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