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 Crude petroleum oil is a __________ fuel. Fossil Both A & B Primary Secondary Fossil Both A & B Primary Secondary ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Sulphuric acid treatment of petroleum products removes the __________ materials. Asphaltic All of these Gum forming Color forming Asphaltic All of these Gum forming Color forming ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering A multigrade lubricating oil means an oil having high Flash point Viscosity Aniline point Viscosity index Flash point Viscosity Aniline point Viscosity index ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Clay treatment is used to remove Wax from lube oil None of these Colour & dissolved gases from cracked gasoline Salt from the crude oil Wax from lube oil None of these Colour & dissolved gases from cracked gasoline Salt from the crude oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute). 43961 350-400 150-250 30-80 43961 350-400 150-250 30-80 ANSWER DOWNLOAD EXAMIANS APP