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 1, 3 butadiene α-methyl naphthalene Tetra methyl ethylene 2-2-4 tri methyl pentane 1, 3 butadiene α-methyl naphthalene Tetra methyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil Gives higher yield of petrol Higher sulphur content in the product Higher gum forming material in petrol Lower octane number of petrol Gives higher yield of petrol Higher sulphur content in the product Higher gum forming material in petrol Lower octane number of petrol ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Most widely used solvent for dewaxing is Petroleum ether Sodium plumbite Methyl-ethyl-ketone (MEK) Naphtha Petroleum ether Sodium plumbite Methyl-ethyl-ketone (MEK) Naphtha ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The doctor's solution comprises of sodium plumbite in Water Alcohal Soda ash Aqueous caustic soda Water Alcohal Soda ash Aqueous caustic soda ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The proper arrangement of the petroleum fractions in order of their boiling points is Lubricating oil > petrol > diesel > LPG Lubricating oil > diesel > petrol > LPG Petrol > lubricating oil > diesel > LPG Petrol > diesel > LPG > lubricating oil Lubricating oil > petrol > diesel > LPG Lubricating oil > diesel > petrol > LPG Petrol > lubricating oil > diesel > LPG Petrol > diesel > LPG > lubricating oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrogen percentage (by weight) in crude petroleum may be about 35 25 5 15 35 25 5 15 ANSWER DOWNLOAD EXAMIANS APP
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