Petroleum Refinery Engineering Which of the following is used as a catalyst in fluidised bed catalytic cracking? Silica-alumina Bentonite clays Silica-magnesia All of these Silica-alumina Bentonite clays Silica-magnesia All of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Flash point of an oil is determined by the Conradson apparatus Pensky Martens apparatus Saybolt viscometer Ramsbottom apparatus Conradson apparatus Pensky Martens apparatus Saybolt viscometer Ramsbottom apparatus ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the wrong statement about the smoking tendency of various hydrocarbon constituents of kerosene. Smoking tendency of paraffins increases with decrease in its molecular weight Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond Smoking tendency of aromatics decreases with increase in its molecular weight Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics Smoking tendency of paraffins increases with decrease in its molecular weight Smoking tendency of naphthenes decreases with its increasing molecular weight & also on addition of double bond Smoking tendency of aromatics decreases with increase in its molecular weight Smoking tendency of hydrocarbons increases in the order : paraffins → isoparaffins → naphthenes → aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm. 50 10000 5000 1 50 10000 5000 1 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst. All of these Bauxite Fuller's earth Activated clay All of these Bauxite Fuller's earth Activated clay ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Methyl tertiary butyl ether (MTBE), a high octane (octane no. = 115) gasoline blending component is produced by the simple additive reaction of isobutylene with Ethyl alcohol Methane Methyl alcohol Ethane Ethyl alcohol Methane Methyl alcohol Ethane ANSWER DOWNLOAD EXAMIANS APP
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