311. Which of the following is used as a solvent in deasphalting of petroleum products ? September 7, 2025 by Admin Furfural Propane Methyl ethyl ketone Liquid sulphur dioxide ✅ The correct answer is option B.
312. Olefins are September 7, 2025 by Admin saturated hydrocarbons. unsaturated cyclic compounds (hydrocarbons). present in substantially good quantity in crude petroleum. none of these. ✅ The correct answer is option D.
313. Ethyl mercaptan is a/an __________ compound. September 7, 2025 by Admin sulphur nitrogen oxygen none of these ✅ The correct answer is option A.
314. Which of the following contains maximum sulphur ? September 7, 2025 by Admin Diesel Petrol Kerosene Fuel oil ✅ The correct answer is option D.
315. The condesate obtained on compression of wet natural gas is termed as September 7, 2025 by Admin liquefied natural gasoline natural gasoline liquid natural gas none of these ✅ The correct answer is option B.
316. Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas. September 7, 2025 by Admin unsaturated hydrocarbon content calorific value quantity of propane quantity of butane ✅ The correct answer is option B.
317. Catalyst used in isomerisation process is September 7, 2025 by Admin H2SO4 H3PO4 HF AlCl3 ✅ The correct answer is option D.
318. 95% (by volume) of LPG at 760 mm Hg pressure will evaporate at __________ °C. September 7, 2025 by Admin 2 -40 30 55 ✅ The correct answer is option A.
319. Furfural solvent extraction is used for upgrading (by dissolving aromatics) September 7, 2025 by Admin naphtha lubricating oils wax cracking feedstock ✅ The correct answer is option B.
320. The vacuum maintained in vacuum distillation unit for reduced crude is about __________ mmHg. September 7, 2025 by Admin 1.2 12 120 700 ✅ The correct answer is option C.