Petroleum Refinery Engineering Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute). 350-400 150-250 30-80 43961 350-400 150-250 30-80 43961 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which one is preferred for aircraft engine? High viscosity index lube oil Low viscosity index lube oil None of these High freezing point aviation fuel High viscosity index lube oil Low viscosity index lube oil None of these High freezing point aviation fuel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the maximum °API gravity of all? Kerosene Diesel Petrol Furnace oil Kerosene Diesel Petrol Furnace oil ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The yield of straight run LPG from crude oil is about __________ weight percent. 20-25 44119 1-1.5 0.1-0.2 20-25 44119 1-1.5 0.1-0.2 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following constituents present in petroleum is responsible for ash formation? Organometallic compounds Nitrogen compounds Sulphur compounds Oxygen compounds Organometallic compounds Nitrogen compounds Sulphur compounds Oxygen compounds ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Gum formation in stored gasoline is mainly due to the Oxidation & polymerisation of unsaturates Alkylation of unsaturates Presence of sulphur Higher aromatic content Oxidation & polymerisation of unsaturates Alkylation of unsaturates Presence of sulphur Higher aromatic content ANSWER DOWNLOAD EXAMIANS APP
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