Hamad Petroleum Refinery Engineering 04/04/2021 A. Aromatics B. i-paraffins C. Naphthene D. Olefins Related Mcqs: Which is almost absent in crude petroleum ?A. Olefins B. Mercaptans C. Naphthenes D. Cycloparaffins... The pressure (kg/cm2) and temperature (°C) maintained in electrical desalters for crude oil are respectively__________________?A. 10 and 120 B. 1 and 200 C. 50 and 250 D. 10 and 300... Olefins are_________________?A. Saturated hydrocarbons B. Unsaturated cyclic compounds (hydrocarbons) C. Present in substantially good quantity in crude petroleum D. None of these... Cetane number of high speed diesel must be ≥_________________?A. 30 B. 45 C. 75 D. 95... Stabilisation of gasoline (petrol) means ___________________?A. Removal of dissolved gases from it B. Increasing its oxidation stability C. Improving its lead susceptibility D. Increasing its vapour pressure...
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