Petroleum Refinery Engineering Pick out the undesirable property for a solvent meant for dewaxing of lube oil. Neither A nor B Both A & B Complete miscibility with oil High solubility of wax in the solvent Neither A nor B Both A & B Complete miscibility with oil High solubility of wax in the solvent 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. 1 5000 10000 50 1 5000 10000 50 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Increase its calorific value Reduce its cost Assist in checking its leakage from cylinder Narrow down its explosion limit Increase its calorific value Reduce its cost Assist in checking its leakage from cylinder Narrow down its explosion limit ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is desirable in petrol (gasoline) but undesirable in kerosene? Mercaptans Paraffins Naphthenic acid Aromatics Mercaptans Paraffins Naphthenic acid Aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is used as a catalyst in fluidised bed catalytic cracking? All of these Bentonite clays Silica-alumina Silica-magnesia All of these Bentonite clays Silica-alumina Silica-magnesia ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Diesel index.(an alternative index for expressing the quality of diesel) is Determined by using a test engine Equal to cetane number plus 3 All of these Not related to aniline point Determined by using a test engine Equal to cetane number plus 3 All of these Not related to aniline point ANSWER DOWNLOAD EXAMIANS APP
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