PETROLEUM REFINERY ENGINEERING QUIZ

Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is

3

4

2

1

TRUE ANSWER : ?
YOUR ANSWER : ?

A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent.

4

18

10

26

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YOUR ANSWER : ?

Which is almost absent in crude petroleum?

Naphthenes

Olefins

Mercaptans

Cycloparaffins

TRUE ANSWER : ?
YOUR ANSWER : ?

Cetane number of alpha methyl naphthalene is assumed to be

∞

50

100

TRUE ANSWER : ?
YOUR ANSWER : ?

Older crude petroleum

Gives less tar

All of these

Is light and better

Gives more distillates

TRUE ANSWER : ?
YOUR ANSWER : ?

In solutizer sweetening process, solutizer solution used is

Both A & B

Neither A nor B

Methanol in Unisol process

Naphthenic acid in Mercapsol process

TRUE ANSWER : ?
YOUR ANSWER : ?

Waxes present in petroleum products

Are not soluble in them

Decrease their viscosity

Can be separated out by distillation

Crystallise out at low temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

Boiling range of motor gasoline is an indication of the

Vapour locking tendency

Case of starting

All of these

Rate of acceleration

TRUE ANSWER : ?
YOUR ANSWER : ?

Gum formation in stored gasoline is mainly due to the

Alkylation of unsaturates

Presence of sulphur

Higher aromatic content

Oxidation & polymerisation of unsaturates

TRUE ANSWER : ?
YOUR ANSWER : ?

Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as

2-2-4 tri methyl pentane

α-methyl naphthalene

1, 3 butadiene

Tetra methyl ethylene

TRUE ANSWER : ?
YOUR ANSWER : ?

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