Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Increase its calorific value Reduce its cost Assist in checking its leakage from cylinder Narrow down its explosion limit Increase its calorific value Reduce its cost Assist in checking its leakage from cylinder Narrow down its explosion limit ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency? Naphthenes Paraffins Aromatics Iso-paraffins Naphthenes Paraffins Aromatics Iso-paraffins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in the isomerisation is Phosphoric acid Aluminium chloride Alumina Nickel Phosphoric acid Aluminium chloride Alumina Nickel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the highest flash point of all? Diesel Furnace oil Petrol Kerosene Diesel Furnace oil Petrol Kerosene ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in duo-sol extraction for lube oil upgradation is a mixture of Methyl ethyl ketone & glycol Propane & liquid sulphur dioxide Propane & phenol-cresol mixture Phenol & furfural Methyl ethyl ketone & glycol Propane & liquid sulphur dioxide Propane & phenol-cresol mixture Phenol & furfural ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which is almost absent in crude petroleum? Mercaptans Cycloparaffins Naphthenes Olefins Mercaptans Cycloparaffins Naphthenes Olefins ANSWER DOWNLOAD EXAMIANS APP