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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Cetane number of high speed diesel must be?

30
95
45
75

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Petroleum Refinery Engineering
Sulphur content in lighter and heavier petroleum products is generally determined respectively by

Bomb method and quartz tube method
Bomb method and lamp method
Quartz tube method and lamp method
Lamp method and bomb method

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Petroleum Refinery Engineering
Mercapsol and Unisol processes are meant for the

Dearomatisation of kerosene
Dewaxing
Decoloration
Removal of mercaptans

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Petroleum Refinery Engineering
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

1, 3 butadiene
Tetra methyl ethylene
2-2-4 tri methyl pentane
α-methyl naphthalene

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Petroleum Refinery Engineering
Flash point of an oil is determined by the

Saybolt viscometer
Pensky Martens apparatus
Ramsbottom apparatus
Conradson apparatus

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Petroleum Refinery Engineering
Sulphuric acid treatment of petroleum products removes the __________ materials.

All of these
Color forming
Gum forming
Asphaltic

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