Petroleum Refinery Engineering Crude oil is pumped by a __________ pump. Reciprocating Screw Centrifugal Gear Reciprocating Screw Centrifugal Gear ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel). 3 70 0.03 35 3 70 0.03 35 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the highest gum forming tendency in gosoline? Paraffins Naphthenes Aromatics Diolefins Paraffins Naphthenes Aromatics Diolefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering For gasoline, the flash point ( Pensky-Marten's apparatus None of these Saybolt chromometer Abel apparatus Pensky-Marten's apparatus None of these Saybolt chromometer Abel apparatus ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of sulphur in gasoline Leads to corrosion Decreases gum formation Increases lead susceptibility Helps during stabilisation Leads to corrosion Decreases gum formation Increases lead susceptibility Helps during stabilisation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. Increased residence time results in the decreased severity of cracking Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more Increased residence time results in the decreased severity of cracking Greater depth of cracking gives lower octane number gasoline Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more ANSWER DOWNLOAD EXAMIANS APP