PETROLEUM REFINERY ENGINEERING QUIZ

Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds).

5

25

50

100

TRUE ANSWER : ?
YOUR ANSWER : ?

The main reaction in reforming is the

Saturation of olefins

Hydrogenation of naphthenes

Dehydrogenation of naphthenes

Hydrocracking of paraffins

TRUE ANSWER : ?
YOUR ANSWER : ?

Products drawn from the top to bottom of the crude oil distillation column has progressively increasing

C/H ratio

All of these

Boiling points

Molecular weight

TRUE ANSWER : ?
YOUR ANSWER : ?

Crude oil is pumped by a __________ pump.

Gear

Reciprocating

Screw

Centrifugal

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is the easiest to crack?

Naphthenes

Olefins

Aromatics

Paraffins

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following reactions is undesirable in the production of catalytically reformed gasoline?

Isomerisation of paraffins

Dehydrogenation of lower paraffins

Dehydrogenation of naphthene

Dehydrocyclisation of higher paraffins

TRUE ANSWER : ?
YOUR ANSWER : ?

Aniline point of the diesel is a measure of its __________ content.

Naphthene

Paraffin

Aromatic

Olefin

TRUE ANSWER : ?
YOUR ANSWER : ?

Visbreaking

Produces gasoline only

Produces fuel oil of lower viscosity

Uses natural gas as feed

Is carried out at atmospheric pressure

TRUE ANSWER : ?
YOUR ANSWER : ?

Molecular weight of petrol may be about

40-60

100-130

350-400

250-300

TRUE ANSWER : ?
YOUR ANSWER : ?

Older crude petroleum

Is light and better

Gives less tar

All of these

Gives more distillates

TRUE ANSWER : ?
YOUR ANSWER : ?

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