Petroleum Refinery Engineering Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute. 450 to 500 1 to 5 30 to 80 250 to 350 450 to 500 1 to 5 30 to 80 250 to 350 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely mis-cible. It means that the aniline point of the diesel is __________ the room temperature. Either more or less; depends on the room temperature More than Less than Same as Either more or less; depends on the room temperature More than Less than Same as ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Visbreaking Uses natural gas as feed Is carried out at atmospheric pressure Produces fuel oil of lower viscosity Produces gasoline only Uses natural gas as feed Is carried out at atmospheric pressure Produces fuel oil of lower viscosity Produces gasoline only ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Natural gasoline is produced None of these In oil refineries By natural gas stripping From oil wells None of these In oil refineries By natural gas stripping From oil wells ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is used as a catalyst in fluidised bed catalytic cracking? Silica-alumina Bentonite clays All of these Silica-magnesia Silica-alumina Bentonite clays All of these Silica-magnesia ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Narrow down its explosion limit Reduce its cost Assist in checking its leakage from cylinder Increase its calorific value Narrow down its explosion limit Reduce its cost Assist in checking its leakage from cylinder Increase its calorific value ANSWER DOWNLOAD EXAMIANS APP
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