Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is Between 50 and 100 More than 100 Less than 25 Round about 100 Between 50 and 100 More than 100 Less than 25 Round about 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the correct statement pertaining to catalytic cracking. With increase in the reactor pressure, octane number of gasoline decreases Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor temperature, gasoline yield decreases for a given conversion All of these With increase in the reactor pressure, octane number of gasoline decreases Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor temperature, gasoline yield decreases for a given conversion All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene? Hydrocracking Alkylation Reforming Pyrolysis Hydrocracking Alkylation Reforming Pyrolysis 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 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 4 1 2 3 4 1 2 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke volatility index is equal to smoke point plus 5 mm 0.42 x(% distilled at 204°C) 0.84 x (% distilled at 204°C) 10 mm. approximately 5 mm 0.42 x(% distilled at 204°C) 0.84 x (% distilled at 204°C) 10 mm. approximately ANSWER DOWNLOAD EXAMIANS APP
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