Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Narrow down its explosion limit Reduce its cost Increase its calorific value Assist in checking its leakage from cylinder Narrow down its explosion limit Reduce its cost Increase its calorific value Assist in checking its leakage from cylinder ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Phenols are added in gasoline to Improve the octane number Reduce its viscosity Act as an antioxidant Increase its pour point Improve the octane number Reduce its viscosity Act as an antioxidant Increase its pour point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is a non-regenerative fixed bed catalytic reforming process? Hyperforming Platforming Thermofer catalytic reforming Hydroforming Hyperforming Platforming Thermofer catalytic reforming Hydroforming ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which parameter is used for the grading of paraffin waxes? Penetration number Melting point Specific gravity Viscosity Penetration number Melting point Specific gravity Viscosity ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is desirable in diesel and kerosene but is undersirable in gasoline? Mercaptans Aromatics Naphthenic acid Paraffins Mercaptans Aromatics Naphthenic acid Paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The order of preference for feedstock to a catalytic reformer is Catalytic naphtha - coking naphtha - virgin naphtha Virgin naphtha - coking naphtha - catalytic naphtha Virgin naphtha - catalytic naphtha - coking naphtha Coking naphtha - virgin naphtha - catalytic naphtha Catalytic naphtha - coking naphtha - virgin naphtha Virgin naphtha - coking naphtha - catalytic naphtha Virgin naphtha - catalytic naphtha - coking naphtha Coking naphtha - virgin naphtha - catalytic naphtha ANSWER DOWNLOAD EXAMIANS APP