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.
A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent. September 7, 2025 by Admin 4 10 18 26 ✅ The correct answer is option B.
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.
Crude oil is pumped by a __________ pump. September 7, 2025 by Admin gear centrifugal screw reciprocating ✅ The correct answer is option B.
Ethyl mercaptan is a/an __________ compound. September 7, 2025 by Admin sulphur nitrogen oxygen none of these ✅ The correct answer is option A.
Maximum use of petroleum coke is in September 7, 2025 by Admin adsorption refining operation. fuel gas manufacture. carbon electrode manufacture. iron ore reduction. ✅ The correct answer is option C.
Which of the following contains maximum sulphur ? September 7, 2025 by Admin Diesel Petrol Kerosene Fuel oil ✅ The correct answer is option D.
Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is September 7, 2025 by Admin 1 2 3 4 ✅ The correct answer is option D.
Silliminite (Al2O3.SiO2) refractory, which is a neutral refractory, is not used in September 7, 2025 by Admin pottery furnace glass melting furnace crucibles gas retorts ✅ The correct answer is option D.
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.