40 TOP PETROLEUM REFINERY Engineering Online Test – Multiple Choice Questions and Answers 1. Which one is used to determine the colour of petroleum products ? Colour comparator Cleveland apparatus Saybolt chromometer None of these 2. Which of the following constituents present in petroleum is responsible for ash formation? Organometallic compounds Oxygen compounds Nitrogen compounds Sulphur compounds 3. Feedstock for the production of biodiesel is herbal plants LSHS used vegetable oils bagasse 4. A typical yield of diesel in straight run distillation of crude oil may be about __________ percent 8 28 38 35 5. Illuminating characteristics of kerosene is expressed by its aromatic content smoke point aniline point luminosity number 6. Olefins are present in substantially good quantity in crude petroleum unsaturated cyclic compounds (hydrocarbons) saturated hydrocarbons none of these 7. Pick out the wrong statement Hydrocarbons of high specific gravity (eg, aromatics) possess the maximum thermal energy per unit weight Higher specific gravity of petroleum products means higher C/H ratio Aromatics have lower specific gravity than corresponding paraffins Hydrocarbons of low specific gravity (e.g, paraffins) possess the maximum thermal energy per unit volume 8. Pick out the wrong statement Rate of decomposition of olefins in catalytic cracking is slightly slower than the thermal cracking Iso-paraffin crack faster than n-paraf-fin Catalytic cracking is endothermic, but the regeneration of catalyst is exothermic None of these 9. The first crude oil refinery of India is located at Naharkatiya Digboi Madras Kochin 10. Octane number of gasoline produced by two stage fluidised catalytic cracking process is 80 87 92 97 Loading … Question 1 of 10
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