Petroleum Refinery Engineering Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of __________ kcal/kg. 1000-1500 600-750 2000-2500 250-350 1000-1500 600-750 2000-2500 250-350 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds). 50 25 100 5 50 25 100 5 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In the atmospheric pressure crude distillation, the content of __________ from lighter fraction to heavier ones. Nitrogen decreases None of these Sulphur increases Sulphur decreases Nitrogen decreases None of these Sulphur increases Sulphur decreases ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and heavy fuel oil belongs to the fraction Heavy distillates Residues Light ends Intermediate distillates Heavy distillates Residues Light ends Intermediate distillates ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The catalytic cracking of heavier petroleum fraction is done to produce mainly Diesel oil Gasoline Asphalt Tar Diesel oil Gasoline Asphalt Tar ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petroleum Does not contain asphalt Does not contain aromatics Is optically active Constitutes mainly of olefins Does not contain asphalt Does not contain aromatics Is optically active Constitutes mainly of olefins ANSWER DOWNLOAD EXAMIANS APP