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 α-methyl naphthalene 2-2-4 tri methyl pentane 1, 3 butadiene Tetra methyl ethylene α-methyl naphthalene 2-2-4 tri methyl pentane 1, 3 butadiene Tetra methyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent. 10 26 18 4 10 26 18 4 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Dissolve wax Depress its pour point Remove wax Precipitate wax Dissolve wax Depress its pour point Remove wax Precipitate wax ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxes present in petroleum products Crystallise out at low temperature Are not soluble in them Can be separated out by distillation Decrease their viscosity Crystallise out at low temperature Are not soluble in them Can be separated out by distillation Decrease their viscosity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Ethyl mercaptan is a/an __________ compound. Nitrogen Sulphur None of these Oxygen Nitrogen Sulphur None of these Oxygen ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The most commonly used feed stock for the reforming reactor is Heavy fuel oil Casing head gasoline Straight run gasdine Residuum Heavy fuel oil Casing head gasoline Straight run gasdine Residuum ANSWER DOWNLOAD EXAMIANS APP
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