Petroleum Refinery Engineering Most commonly used crude heater before the fractionation tower in a refinery is the __________ heater. None of these Steam coil Pipestill Electric immersion None of these Steam coil Pipestill Electric immersion ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Depress its pour point Dissolve wax Precipitate wax Remove wax Depress its pour point Dissolve wax Precipitate wax Remove wax ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is Round about 100 Less than 25 More than 100 Between 50 and 100 Round about 100 Less than 25 More than 100 Between 50 and 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil produced by Indian oil fields are predominantly __________ in nature. Paraffinic Naphthenic Asphaltic Mixed base Paraffinic Naphthenic Asphaltic Mixed base ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Clay treatment is used to remove Colour & dissolved gases from cracked gasoline None of these Salt from the crude oil Wax from lube oil Colour & dissolved gases from cracked gasoline None of these Salt from the crude oil Wax from lube oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxes present in petroleum products Are not soluble in them Crystallise out at low temperature Can be separated out by distillation Decrease their viscosity Are not soluble in them Crystallise out at low temperature Can be separated out by distillation Decrease their viscosity ANSWER DOWNLOAD EXAMIANS APP
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