Petroleum Refinery Engineering Pick out the undesirable property for a solvent meant for dewaxing of lube oil. Complete miscibility with oil Neither A nor B High solubility of wax in the solvent Both A & B Complete miscibility with oil Neither A nor B High solubility of wax in the solvent Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following factors does not govern the mechanism of petroleum formation from organic sources? PH of the soil Heat Bacterial action Pressure PH of the soil Heat Bacterial action Pressure ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is not a sulphur compound present in petroleum ? Sulphones Thiophenes Mercaptans Pyroles Sulphones Thiophenes Mercaptans Pyroles ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxes present in petroleum products Are not soluble in them Crystallise out at low temperature Decrease their viscosity Can be separated out by distillation Are not soluble in them Crystallise out at low temperature Decrease their viscosity Can be separated out by distillation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Water content in the crude oil as it comes out of oil well may be upto __________ percent. 10 25 2 5 10 25 2 5 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering H/C ratio (by weight) for the same number of carbon atoms is the highest in case of Paraffins Olefins Naphthenes Aromatics Paraffins Olefins Naphthenes Aromatics ANSWER DOWNLOAD EXAMIANS APP