Petroleum Refinery Engineering Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute). 150-250 350-400 43961 30-80 150-250 350-400 43961 30-80 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene? Reforming Pyrolysis Hydrocracking Alkylation Reforming Pyrolysis Hydrocracking Alkylation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pressure & temperature maintained in catalytic cracking is about 30atm & 200°C 10atm & 500°C 50atm. & 750°C 2atm & 500°C 30atm & 200°C 10atm & 500°C 50atm. & 750°C 2atm & 500°C ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Phenols are added in gasoline to Reduce its viscosity Act as an antioxidant Improve the octane number Increase its pour point Reduce its viscosity Act as an antioxidant Improve the octane number Increase its pour point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A good lubricant should have high None of these Pour point Volatility Viscosity index None of these Pour point Volatility Viscosity index ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Detergent is added as an additive in engine lubricating oil to Reduce deposit formation Prevent rusting Keep contaminants in suspension Increase oxidation stability Reduce deposit formation Prevent rusting Keep contaminants in suspension Increase oxidation stability ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS