试题及答案冶金专业英语.docVIP

第 PAGE \* Arabic 6 页 Test Paper (1) Ⅰ.Translate the following expressions into English. (15 points) 钢铁工业 炉外精炼 烧结矿 炼铁原料 高炉车间 渣池 天然气 回转窑 废钢 转炉工艺 试样分析 不锈钢 普碳钢 感应炉 机械性能 Ⅱ. Translate the following expressions into Chinese. (15 points) blast furnace wrought iron hematite combustion chamber direct reduction process dressing plant slag former tramp element tapping hole die steel continuous-casting system fatigue strength corrosion-resisting steel electro-refining electrolytic cell Ⅲ. Fill in the blanks with the words. (10 points) 1. As early as 3,000 years ago, was serving as a basis of human culture and civilization. 2. Iron oxides are always mixed with impurities which are called the . 3. Compared with lump ores and sinter, have a narrow size range, constant quality and good permeability during reduction. 4. Molten iron and slag produced in the blast furnace are removed and separated in the . 5. Normal operation utilizes three stoves such that one is always on , while the other two are on gas. 6. The main components of the Midrex processes are the shaft furnace, the gas , and the cooling-gas system. 7. Manganese oxides can lower the point of basic slag and accelerate slag formation. 8. During tapping, the bath should have a temperature of 1,600 to 1650℃. 9. The ladle is usually held by a teeming during tapping to minimize exposure of the steam to air and minimize erosion of ladle refractory. 10. In the case of ASEA-SKF, the equipment comprises a ladle-furnace, a mobile induction , a steam ejector and a vacuum cover fitted with electrodes for heating. Ⅳ. Decide whether the following statements are true or false (T/F) (10 points) 1. The first Bessemer converter was lined with carbon bricks. ( ) 2. If the gangue contains mainly lime, the ore is “acid”; if silicon acid (SiO2) predominates, the ore is “basic”. ( ) 3. The molten iron is delivered to a series of refractory-lined hot metal cars for transportation to