Petroleum Refinery Engineering Mercaptans is represented as (where R and R' are alkyl groups) R-S-R R-S-R' R-COOH R-S-H R-S-R R-S-R' R-COOH R-S-H ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which one is used to determine the colour of petroleum products? Cleveland apparatus None of these Saybolt chromometer Colour comparator Cleveland apparatus None of these Saybolt chromometer Colour comparator ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Asphalts are Readily oxidisable and form carbonaceous sludge Desirable in catalytic cracking feedstock, because they produce coke All of these . Low molecular weight & low boiling point compounds present in petroleum Readily oxidisable and form carbonaceous sludge Desirable in catalytic cracking feedstock, because they produce coke All of these . Low molecular weight & low boiling point compounds present in petroleum ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The main purpose of recycling the byproduct hydrogen gas in the reformer reactor is to Obviate catalyst poisoning Maintain the reaction temperature Sustain the reactor pressure Hydrogenate the feed stock Obviate catalyst poisoning Maintain the reaction temperature Sustain the reactor pressure Hydrogenate the feed stock ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is used as a catalyst in fluidised bed catalytic cracking? Silica-magnesia All of these Silica-alumina Bentonite clays Silica-magnesia All of these Silica-alumina Bentonite clays ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of Discoloration Thermal cracking Gum formation Coking Discoloration Thermal cracking Gum formation Coking ANSWER DOWNLOAD EXAMIANS APP
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