Petroleum Refinery Engineering Flash point of motor gasoline may be around __________ °C. 150 100 45 10 150 100 45 10 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering H/C ratio (by weight) for the same number of carbon atoms is the highest in case of Paraffins Olefins Naphthenes Aromatics Paraffins Olefins Naphthenes Aromatics 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 Low viscosity index All of these High pour point and low smoke point High self-ingnition temperature Low viscosity index All of these High pour point and low smoke point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is 3 2 1 4 3 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Increase its octane number Reduce gum formation Reduce the pour point Increase its smoke point Increase its octane number Reduce gum formation Reduce the pour point Increase its smoke point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following reactions is undesirable in the production of catalytically reformed gasoline? Isomerisation of paraffins Dehydrogenation of lower paraffins Dehydrocyclisation of higher paraffins Dehydrogenation of naphthene Isomerisation of paraffins Dehydrogenation of lower paraffins Dehydrocyclisation of higher paraffins Dehydrogenation of naphthene ANSWER DOWNLOAD EXAMIANS APP
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