Basic Knowledge of Ammonia Synthesis – One Question per Day 48

Thread Content

Single-choice question 1: Most of the carbon black in the feed gas entering the combustion chamber of the Texaco vaporizer is removed in (). A. Quenching chamber, B. Lower section of the carbon black washing tower, C. Upper section of the carbon black washing tower, D. Venturi. 2. At the venturi throat, the flow velocity of the jetting medium increases, and the pressure (). A、Increase, B、Decrease, C、Unchanged, D、Uncertain. 3. At the Venturi throat, the flow velocity of the spraying medium (). A、Increase, B、Decrease, C、Unchanged, D、Uncertain. 4. When installing a water cooler, the heat exchanger should be (). A、Drainage, B、Ventilation, C、Emptying, D、No requirement. 5. The negative pressure in the furnace chamber of a heating furnace during operation refers to (). A. The furnace pressure is higher than atmospheric pressure, B. The furnace pressure is lower than atmospheric pressure, C. The furnace pressure is higher than the fuel gas pressure, D. The furnace pressure is lower than the fuel gas pressure. Correct answers: 1. (A), 2. (B), 3. (A), 4. (B), 5. (B).