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Petroleum Refinery Engineering

Petroleum Refinery Engineering
Which parameter is used for the grading of paraffin waxes?

Penetration number
Specific gravity
Melting point
Viscosity

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Petroleum Refinery Engineering
Solvent used in Edeleanu process is

Phenol
Liquid SO₂
Propane
Furfural

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Petroleum Refinery Engineering
Doctor's solution used for sweetening of petroleum products is

Sodium sulphite
Lead sulphate
Sodium plumbite
Sodium thiosulphate

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Petroleum Refinery Engineering
95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C.

2
-40
30
55

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Petroleum Refinery Engineering
Higher viscosity of lubricating oil usually signifies

Higher acid number
Lower Reid vapour pressure
Higher flash point and fire point
Lower flash point and fire point

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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

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

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