Petroleum Refinery Engineering Which of the following additives improves the cetane number of diesel? Napthenic acid Tetra ethyl lead Amyl nitrate Ethyl mercaptan Napthenic acid Tetra ethyl lead Amyl nitrate Ethyl mercaptan ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Crude oil is pumped by a __________ pump. Gear Centrifugal Reciprocating Screw Gear Centrifugal Reciprocating Screw ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent used in duo-sol extraction for lube oil upgradation is a mixture of Phenol & furfural Methyl ethyl ketone & glycol Propane & liquid sulphur dioxide Propane & phenol-cresol mixture Phenol & furfural Methyl ethyl ketone & glycol Propane & liquid sulphur dioxide Propane & phenol-cresol mixture ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petroleum Is optically active Does not contain aromatics Does not contain asphalt Constitutes mainly of olefins Is optically active Does not contain aromatics Does not contain asphalt Constitutes mainly of olefins ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In catalytic cracking, the Gasoline obtained has very high amount of gum forming compounds Gasoline obtained has a very low octane number Pressure & temperature is very high Gasoline obtained has very high aromatic content Gasoline obtained has very high amount of gum forming compounds Gasoline obtained has a very low octane number Pressure & temperature is very high Gasoline obtained has very high aromatic content 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 4 1 3 2 4 1 3 2 ANSWER DOWNLOAD EXAMIANS APP
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