Petroleum Refinery Engineering Detergent is added as an additive in engine lubricating oil to Keep contaminants in suspension Reduce deposit formation Prevent rusting Increase oxidation stability Keep contaminants in suspension Reduce deposit formation Prevent rusting Increase oxidation stability ANSWER DOWNLOAD EXAMIANS APP
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. 5000 1 10000 50 5000 1 10000 50 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Molecular weight of crude oil is in the range of 450-550 600-850 100-120 230-250 450-550 600-850 100-120 230-250 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Asphalts are All of these Readily oxidisable and form carbonaceous sludge Desirable in catalytic cracking feedstock, because they produce coke . Low molecular weight & low boiling point compounds present in petroleum All of these Readily oxidisable and form carbonaceous sludge Desirable in catalytic cracking feedstock, because they produce coke . Low molecular weight & low boiling point compounds present in petroleum ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is not a sulphur compound present in petroleum ? Thiophenes Sulphones Pyroles Mercaptans Thiophenes Sulphones Pyroles Mercaptans ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Highest quality bitumen is produced from the __________ crude oil. Mixed Naphthenic Paraffinic Intermediate Mixed Naphthenic Paraffinic Intermediate ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS