Which of the following has maximum hydrogen/carbon ratio (by weight) ? September 7, 2025 by Admin Naphtha Gasoline Diesel Fuel oil ✅ The correct answer is option B.
LSHS is a type of furnace oil, which September 7, 2025 by Admin is more viscous than high viscosity furnace oil (HVFO). stands for low sulphur heavy stock. is an ideal fuel for metallurgical furnaces due to its lower sulphur content (< 1%). all (a), (b) and (c). ✅ The correct answer is option D.
Aromatics are desired constituents of September 7, 2025 by Admin lubricating oil diesel kerosene petrol ✅ The correct answer is option D.
Reforming September 7, 2025 by Admin uses naphtha as feedstock. does not much affect the molecular weight of the feed. improves the quality & yield of gasoline. all (a), (b) and (c). ✅ The correct answer is option D.
Which of the following factors does not govern the mechanism of petroleum formation from organic sources ? September 7, 2025 by Admin pH of the soil Bacterial action Heat Pressure ✅ The correct answer is option A.
Pour point and freezing point is equal for September 7, 2025 by Admin petrol diesel water crude petroleum ✅ The correct answer is option C.
Clay treatment of petroleum products September 7, 2025 by Admin decolorises & stabilises cracked gasoline. desulphurise straight run gasoline & kerosene. adsorb arsenic from feedstock to catalytic reforming. all (a), (b) & (c). ✅ The correct answer is option D.
Which of the following is an additive used for improving the cetane number of diesel ? September 7, 2025 by Admin Tetraethyl lead Tetramethyllead Ethyl nitrate or acetone None of these ✅ The correct answer is option A.
Aniline point of high speed diesel may be about __________ °C. September 7, 2025 by Admin 35 70 105 150 ✅ The correct answer is option B.
True boiling point apparatus is used for the September 7, 2025 by Admin determination of characterisation factor. evaluation of oil stocks. determination of true vapour pressure. none of these. ✅ The correct answer is option B.