PETROLEUM REFINERY ENGINEERING QUIZ

Naphthenic acid is represented by

CnH2n+2O₂

CnHsub>2n+6O₂ (n ≤ 6)

CnHsub>2n-2O₂

CnHsub>2n+2O₂ (n ≥ 6)

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Percentage of straight run gasoline in a typical crude oil may be around

52

18

6

38

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Gasoline extracted from natural gas (by compression and cooling) is called the __________ gasoline.

Casing head

Straight run

Unleaded

Polymer

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Isomerisation converts the __________ tot-paraffins.

None of these

Olefins

Paraffins

Naphthenes

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Cetane number of alpha methyl naphthalene is assumed to be

∞

100

50

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A petroleum well is called 'dry', if it contains

Only natural gas

Very little oil

No natural gas

All of these

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Antioxidants are added in petrol to

Prevent the lead build up in engines

Impart colour to it, for easy identification

Prevent icing of the carburettor

Minimise the gum formation

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Name the endothermic reaction out of the following:

Catalytic polymerisation

Dehydrogeneration of naphthene to produce aromatic

Catalytic cracking

Hydrocracking

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Highest quality bitumen is produced from the __________ crude oil.

Paraffinic

Naphthenic

Mixed

Intermediate

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Paraffin base crude oil as compared to asphalt base crude gives

Lower viscosity index lube oil

Poorer yield of lube oil

Higher yield of straight run gasoline

Higher octane number gasoline

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YOUR ANSWER : ?

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