Petroleum Refinery Engineering Which of the following is an additive used for improving the cetane number of diesel? Ethyl nitrate or acetone None of these Tetraethyl lead Tetramethyllead Ethyl nitrate or acetone None of these Tetraethyl lead Tetramethyllead ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering In solutizer sweetening process, solutizer solution used is Naphthenic acid in Mercapsol process Neither A nor B Both A & B Methanol in Unisol process Naphthenic acid in Mercapsol process Neither A nor B Both A & B Methanol in Unisol process ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are added to liquefied petroleum gas (LPG) to Assist in checking its leakage from cylinder Increase its calorific value Narrow down its explosion limit Reduce its cost Assist in checking its leakage from cylinder Increase its calorific value Narrow down its explosion limit Reduce its cost ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is More than 100 Round about 100 Less than 25 Between 50 and 100 More than 100 Round about 100 Less than 25 Between 50 and 100 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering High aniline point of a petrofuel (say diesel) indicates that It has a very low diesel index Its ignition quality is very poor It is highly aromatic in nature It is highly paraffinic in nature It has a very low diesel index Its ignition quality is very poor It is highly aromatic in nature It is highly paraffinic in nature ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Equal volumes of aniline and diesel oil when mixed at room temperature (during summer) was found to be completely mis-cible. It means that the aniline point of the diesel is __________ the room temperature. Less than Same as More than Either more or less; depends on the room temperature Less than Same as More than Either more or less; depends on the room temperature ANSWER DOWNLOAD EXAMIANS APP
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