Petroleum Refinery Engineering Viscosity index of a lubricating oil Is the measure of variation of viscosity with temperature Is the measure of its flash point Should be low None of these Is the measure of variation of viscosity with temperature Is the measure of its flash point Should be low None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is Round about 100 Less than 25 More than 100 Between 50 and 100 Round about 100 Less than 25 More than 100 Between 50 and 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Good quality kerosene should have Low smoke point Low paraffins content High smoke point High aromatics content Low smoke point Low paraffins content High smoke point High aromatics content ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has All of these Low viscosity index 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 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 Which of the following has the highest octane number? Olefins Naphthenes Aromatics I-paraffins Olefins Naphthenes Aromatics I-paraffins ANSWER DOWNLOAD EXAMIANS APP
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