Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is More than 100 Less than 25 Round about 100 Between 50 and 100 More than 100 Less than 25 Round about 100 Between 50 and 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following has the highest gum forming tendency in gosoline? Aromatics Paraffins Naphthenes Diolefins Aromatics Paraffins Naphthenes Diolefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is used as a solvent in deasphalting of petroleum products? Methyl ethyl ketone Liquid sulphur dioxide Furfural Propane Methyl ethyl ketone Liquid sulphur dioxide Furfural Propane ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C ? Heavy fuel oil Kerosene Petrol Naphtha Heavy fuel oil Kerosene Petrol Naphtha ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its Aromatics content Neither A nor B Both A & B Molecular weight Aromatics content Neither A nor B Both A & B Molecular weight ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil? Modern theory Engler theory All of these Carbide theory Modern theory Engler theory All of these Carbide theory ANSWER DOWNLOAD EXAMIANS APP
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