Petroleum Refinery Engineering Stabilisation of gasoline (petrol) means Removal of dissolved gases from it Increasing its vapour pressure Improving its lead susceptibility Increasing its oxidation stability Removal of dissolved gases from it Increasing its vapour pressure Improving its lead susceptibility Increasing its oxidation stability ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following constituents present in petroleum is responsible for ash formation? Nitrogen compounds Organometallic compounds Oxygen compounds Sulphur compounds Nitrogen compounds Organometallic compounds Oxygen compounds Sulphur compounds ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration Less than 90% promotes polymerisation Neither A nor B More than 98% promotes cracking Both A & B Less than 90% promotes polymerisation Neither A nor B More than 98% promotes cracking Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Cetane number of diesel used in trucks may be about 35 85 14 50 35 85 14 50 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solution used in Doctor's treatment for the removal of mercaptans is Potassium isobutyrate Sodium hydroxide Cupric chloride Sodium plumbite Potassium isobutyrate Sodium hydroxide Cupric chloride Sodium plumbite ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Name the hydrocarbon having the poorest oxidation stability. Olefin Aromatics Naphthene Paraffin Olefin Aromatics Naphthene Paraffin ANSWER DOWNLOAD EXAMIANS APP