Petroleum Refinery Engineering Which of the following gasolines (unleaded) has the least octane number? Polymer gasoline Catalytically reformed gasoline Straight run gasoline Catalytically cracked gasoline Polymer gasoline Catalytically reformed gasoline Straight run gasoline Catalytically cracked gasoline ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which one is preferred for aircraft engine? High viscosity index lube oil None of these Low viscosity index lube oil High freezing point aviation fuel High viscosity index lube oil None of these Low viscosity index lube oil High freezing point aviation fuel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Electrical desalting of crude oil removes the __________ impurities. Both A & B Oleophilic Oleophobic Neither A nor B Both A & B Oleophilic Oleophobic Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Natural gasoline is produced From oil wells By natural gas stripping In oil refineries None of these From oil wells By natural gas stripping In oil refineries None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas. Unsaturated hydrocarbon content Quantity of butane Calorific value Quantity of propane Unsaturated hydrocarbon content Quantity of butane Calorific value Quantity of propane 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 Both A & B More than 98% promotes cracking Less than 90% promotes polymerisation Neither A nor B Both A & B More than 98% promotes cracking ANSWER DOWNLOAD EXAMIANS APP
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