291. For gasoline, the flash point (<50°C) is determined by the September 7, 2025 by Admin Abel apparatus. Pensky-Marten’s apparatus. Saybolt chromometer. none of these. ✅ The correct answer is option A.
292. Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of September 7, 2025 by Admin propane & butane butane & ethane methane & ethane methane & carbon monoxide ✅ The correct answer is option A.
293. Crude oil produced by Indian oil fields are predominantly __________ in nature. September 7, 2025 by Admin paraffinic naphthenic asphaltic mixed base ✅ The correct answer is option C.
294. 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.
295. 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.
296. Crude oil is pumped by a __________ pump. September 7, 2025 by Admin gear centrifugal screw reciprocating ✅ The correct answer is option B.
297. Pour point of a petrofuel is September 7, 2025 by Admin multiple of 3°F. multiple of 5°F. 5°C below the temperature at which oil ceases to flow. none of these. ✅ The correct answer is option C.
298. 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.
299. Good quality kerosene should have September 7, 2025 by Admin low smoke point. high smoke point. high aromatics content. low paraffins content. ✅ The correct answer is option B.
300. Gasoline extracted from natural gas (by compression and cooling) is called the __________ gasoline. September 7, 2025 by Admin polymer unleaded casing head straight run ✅ The correct answer is option B.