Petroleum Refinery Engineering Which is the most undesirable component in kerosene? I-paraffins Naphthenes N-paraffins Aromatics I-paraffins Naphthenes N-paraffins Aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In the atmospheric pressure crude distillation, the content of __________ from lighter fraction to heavier ones. Sulphur increases Sulphur decreases Nitrogen decreases None of these Sulphur increases Sulphur decreases Nitrogen decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Naphthenic acid is a/an __________ compound. None of these Sulphur Oxygen Nitrogen None of these Sulphur Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of Coking Discoloration Thermal cracking Gum formation Coking Discoloration Thermal cracking Gum formation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Reduce gum formation Reduce the pour point Increase its octane number Increase its smoke point Reduce gum formation Reduce the pour point Increase its octane number Increase its smoke point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil is pumped by a __________ pump. Screw Centrifugal Reciprocating Gear Screw Centrifugal Reciprocating Gear ANSWER DOWNLOAD EXAMIANS APP