Petroleum Refinery Engineering Testing of the knocking characteristics of petrofuels is done in a __________ engine. Carnot CFR (Co-operative fuel research) Stirling Diesel Carnot CFR (Co-operative fuel research) Stirling Diesel ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Breathing loss on storage of gasoline occurs due to the Both A & B Neither A nor B Fluctuation of ambient temperature during day and night Presence of unsaturated air Both A & B Neither A nor B Fluctuation of ambient temperature during day and night Presence of unsaturated air ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the correct statement pertaining to catalytic cracking. Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor pressure, octane number of gasoline decreases All of these With increase in the reactor temperature, gasoline yield decreases for a given conversion Percentage conversion increases with increase in the catalyst to oil ratio With increase in the reactor pressure, octane number of gasoline decreases All of these With increase in the reactor temperature, gasoline yield decreases for a given conversion ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is desirable in petrol (gasoline) but undesirable in kerosene? Naphthenic acid Paraffins Mercaptans Aromatics Naphthenic acid Paraffins Mercaptans Aromatics ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Mercaptans are All of these Undesirable in petrol, as they reduce its octane number Added in LPG cylinders to detect gas leakage by its smell Low boiling sulphur compounds All of these Undesirable in petrol, as they reduce its octane number Added in LPG cylinders to detect gas leakage by its smell Low boiling sulphur compounds ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Which of the following is an additive used for improving the cetane number of diesel? Tetraethyl lead None of these Ethyl nitrate or acetone Tetramethyllead Tetraethyl lead None of these Ethyl nitrate or acetone Tetramethyllead ANSWER DOWNLOAD EXAMIANS APP
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