2420. Which of the following is a non-regenerative fixed bed catalytic reforming process ? Hydroforming Thermofer catalytic reforming Platforming Hyperforming ✅ The correct answer is option C.
2421. In catalytic cracking, the gasoline obtained has a very low octane number. pressure & temperature is very high. gasoline obtained has very high aromatic content. gasoline obtained has very high amount of gum forming compounds. ✅ The correct answer is option C.
2425. Fuel oil is subjected to visbreaking to reduce its pour point viscosity pressure drop on pumping all (a), (b) and (c) ✅ The correct answer is option D.
2428. The characterisation factor of crude petroleum oil is around 3 11 22 28 ✅ The correct answer is option B.
2431. Deoiling of wax is done by its heating cooling solvent extraction both(b)&(c) ✅ The correct answer is option D.
2433. Octane number (unleaded) of reformed gasoline may be upto 60 70 80 90 ✅ The correct answer is option D.
2438. The most commonly used feed stock for the reforming reactor is heavy fuel oil residuum straight run gasoline casing head gasoline ✅ The correct answer is option C.
2440. Which of the following has the lowest viscosity (at a given temperature) of all? Naphtha Kerosene Diesel Lube oil ✅ The correct answer is option A.
2385. Which of the following is the most suitable for preheating combustion air above 650°C ? Regenerator Metallic recuperator Ceramic recuperator None of these ✅ The correct answer is option C.
2390. In producer gas making furnace, steam is added along with air to mainly control the Fusion of coal ash & clinker formation V. of producer gas Temperature of producer gas Tar content in producer gas ✅ The correct answer is option A.