The maximum adiabatic flame temperature is attained, when the fuel is burnt with September 7, 2025 by Admin Theoretically required amount of air More than theoretically required amount of air Less than theoretically required amount of air Theoretically required amount of oxygen ✅ The correct answer is option D.
Which of the following is called “blue gas”? September 7, 2025 by Admin Coke oven gas Water gas Natural gas Producer gas ✅ The correct answer is option B.
Cannel coal September 7, 2025 by Admin Is non-coking Has a high volatile matter content and burns with a luminous smoky flame Is a non-banded coal which can be ignited easily with a match stick or candle flame, hence is so named All of the above ✅ The correct answer is option D.
Which of the following tests is not done for transformer oil ? September 7, 2025 by Admin Flash point and acid value. Aniline point. Dielectric strength. Copper strip corrosion test. ✅ The correct answer is option B.
Lane and Garton classification of petroleum is based on its September 7, 2025 by Admin composition specific gravity optical properties viscosity ✅ The correct answer is option B.
Gasoline yield in catalytic reforming of naphtha may be about __________ percent by weight. September 7, 2025 by Admin 85 65 50 98 ✅ The correct answer is option A.
Which of the following has the highest gross calorific value? September 7, 2025 by Admin Blast furnace gas Coke oven gas Carburetted water gas Oil refinery gas ✅ The correct answer is option D.
Petroleum is believed to have originated from __________ sources. September 7, 2025 by Admin vegetable animal both (a) and (b) neither (a) nor (b) ✅ The correct answer is option C.
Which of the following fuels has the highest calorific value per unit mass (kcal/kg)? September 7, 2025 by Admin Coal Kerosene Natural gas Furnace oil ✅ The correct answer is option D.
Which of the following is the most reactive (as regards the formation of CO + H₂ from C + H₂O) ? September 7, 2025 by Admin Blast furnace coke Low temperature coke Anthracite coal Sub-bituminous coal ✅ The correct answer is option B.