Petroleum Refinery Engineering Breathing loss on storage of gasoline occurs due to the Presence of unsaturated air Fluctuation of ambient temperature during day and night Neither A nor B Both A & B Presence of unsaturated air Fluctuation of ambient temperature during day and night Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Choose the correct statement regarding thermal cracking. Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline Increased residence time results in the decreased severity of cracking Moderate changes in operating temperature does not change the depth of cracking At low pressure, the yield of lighter hydrocarbons are more Greater depth of cracking gives lower octane number gasoline Increased residence time results in the decreased severity of cracking ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Solvent deoiling process is used for separating oil and soft wax from hard wax. Methyl iso-butyl ketone and methyl ethyl ketone (MEK) are two commonly used deoiling solvents. Use of former as the deoiling solvent has the advantages of the Lower solvent dilution ratio All of these Higher nitration temperature Elimination of solvent drying facility Lower solvent dilution ratio All of these Higher nitration temperature Elimination of solvent drying facility 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 2 4 1 3 2 4 1 3 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Isomerisation converts the __________ tot-paraffins. Paraffins None of these Olefins Naphthenes Paraffins None of these Olefins Naphthenes 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? Reforming Hydrocracking Pyrolysis Alkylation Reforming Hydrocracking Pyrolysis Alkylation ANSWER DOWNLOAD EXAMIANS APP
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