Petroleum Refinery Engineering The terminology used for the bottom most product from the vacuum crude distillation unit is Petrolatum Residuum Reduced crude Residual crude Petrolatum Residuum Reduced crude Residual crude ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxes present in petroleum products Are not soluble in them Decrease their viscosity Can be separated out by distillation Crystallise out at low temperature Are not soluble in them Decrease their viscosity Can be separated out by distillation Crystallise out at low temperature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solution used in Doctor's treatment for the removal of mercaptans is Sodium plumbite Potassium isobutyrate Sodium hydroxide Cupric chloride Sodium plumbite Potassium isobutyrate Sodium hydroxide Cupric chloride ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher viscosity of lubricating oil usually signifies Lower Reid vapour pressure Higher flash point and fire point Lower flash point and fire point Higher acid number Lower Reid vapour pressure Higher flash point and fire point Lower flash point and fire point Higher acid number ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher pressure in the reforming reactor Increases coke formation Increases the rate of reaction None of these Produces high octane number gasoline Increases coke formation Increases the rate of reaction None of these Produces high octane number gasoline ANSWER DOWNLOAD EXAMIANS APP
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 Tetra methyl ethylene 2-2-4 tri methyl pentane α-methyl naphthalene 1, 3 butadiene Tetra methyl ethylene 2-2-4 tri methyl pentane α-methyl naphthalene 1, 3 butadiene ANSWER DOWNLOAD EXAMIANS APP
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