Petroleum Refinery Engineering Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm. 1 10000 5000 50 1 10000 5000 50 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in duo-sol extraction for lube oil upgradation is a mixture of Phenol & furfural Propane & phenol-cresol mixture Methyl ethyl ketone & glycol Propane & liquid sulphur dioxide Phenol & furfural Propane & phenol-cresol mixture Methyl ethyl ketone & glycol Propane & liquid sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Most widely used solvent for dewaxing is Methyl-ethyl-ketone (MEK) Petroleum ether Naphtha Sodium plumbite Methyl-ethyl-ketone (MEK) Petroleum ether Naphtha Sodium plumbite ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Octane number of gasoline produced by two stage fluidised catalytic cracking process is 80 92 97 87 80 92 97 87 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In petroleum refining, the process used for conversion of hydrocarbons to aromatics is Catalytic cracking Catalytic reforming Hydrotreating Alkylation Catalytic cracking Catalytic reforming Hydrotreating Alkylation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Detergent is added as an additive in engine lubricating oil to Keep contaminants in suspension Prevent rusting Reduce deposit formation Increase oxidation stability Keep contaminants in suspension Prevent rusting Reduce deposit formation Increase oxidation stability ANSWER DOWNLOAD EXAMIANS APP