Petroleum Refinery Engineering Name the endothermic reaction out of the following: Catalytic cracking Dehydrogeneration of naphthene to produce aromatic Hydrocracking Catalytic polymerisation Catalytic cracking Dehydrogeneration of naphthene to produce aromatic Hydrocracking Catalytic polymerisation ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Concentration of H₂SO₄ catalyst in alkyla-tion is kept between 90-98%, because H₂SO₄ having concentration 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 Less than 90% promotes polymerisation Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The doctor's solution comprises of sodium plumbite in Aqueous caustic soda Alcohal Water Soda ash Aqueous caustic soda Alcohal Water Soda ash ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used for dewaxing of petroleum products are Methyl ethyl ketone (MEK) Both B & C Furfural Propane Methyl ethyl ketone (MEK) Both B & C Furfural Propane ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Boiling range of motor gasoline is an indication of the Case of starting Vapour locking tendency All of these Rate of acceleration Case of starting Vapour locking tendency All of these Rate of acceleration ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has High self-ingnition temperature High pour point and low smoke point All of these Low viscosity index High self-ingnition temperature High pour point and low smoke point All of these Low viscosity index ANSWER DOWNLOAD EXAMIANS APP
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