PETROLEUM REFINERY ENGINEERING QUIZ

Sweetening of petroleum product means the removal of

Sulphur & its compounds

Wax

Organic impurities

Water

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Petroleum

Is optically active

Does not contain asphalt

Constitutes mainly of olefins

Does not contain aromatics

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Which one is used to determine the colour of petroleum products?

Colour comparator

Saybolt chromometer

Cleveland apparatus

None of these

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The proper arrangement of the petroleum fractions in order of their boiling points is

Petrol > diesel > LPG > lubricating oil

Petrol > lubricating oil > diesel > LPG

Lubricating oil > petrol > diesel > LPG

Lubricating oil > diesel > petrol > LPG

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Molecular weight of crude oil is in the range of

600-850

100-120

230-250

450-550

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Paraffin base crude oil as compared to asphalt base crude gives

Lower viscosity index lube oil

Higher yield of straight run gasoline

Higher octane number gasoline

Poorer yield of lube oil

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Octane numbers of motor gasoline used in India and America are respectively

94 & 87

83 & 100

94 & 100

87 & 94

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Which of the following fractions of a crude oil will have the maximum gravity API (i.e. °API) ?

Diesel

Atmospheric gas oil

Vacuum gas oil

Gasoline

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Higher viscosity of lubricating oil usually signifies

Higher acid number

Higher flash point and fire point

Lower flash point and fire point

Lower Reid vapour pressure

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Octane number of gasoline is a measure of its

Ignition delay

Resistance to knock

Ignition temperature

Smoke point

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