[0902 Daily Question] ) Multiple-choice question (Day 9) (Prize for correct answer)
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1. The mixing conditions of fuel mist after evaporation with air are ( c ) compared to coal powder: A. worse. B. about the same. C. better. 2. In the boiler water circulation system, when reverse circulation occurs, it will cause (c): A. tube rupture. B. an increase in circulation speed. C. incomplete water circulation. Last edited by *anpangpang on 2009-2-10 08:21]
1. The mixing conditions of fuel mist after evaporation with air are ( a ) worse than those of coal powder. A. Worse. B. About the same. C. Better. 2. In the boiler water circulation system, when reverse circulation occurs, it will cause (c). A. Tube rupture. B. An increase in circulation speed. C. Incomplete water circulation
1. The mixing conditions of fuel mist after evaporation with air are ( C ) compared to coal powder: A. worse. B. about the same. C. better. 2. In the boiler water circulation system, when backflow occurs, it will cause (C): A. tube rupture. B. an increase in circulation speed. C. incomplete water circulation
1. The mixing conditions of fuel mist after evaporation with air are （ ） better than those of coal powder. C. Better. 2. In the boiler’s water circulation system, when backflow occurs, it will lead to （） C. Incomplete water circulation
1. The mixing conditions of fuel mist after evaporation with air are ( C ) compared to coal powder: A. worse. B. about the same. C. better. 2. In the boiler water circulation system, when backflow occurs, it will cause (C): A. tube rupture. B. an increase in circulation speed. C. incomplete water circulation
1. The mixing conditions of fuel mist after evaporation with air are ( C ) worse than those of coal powder. A. Worse. B. About the same. C. Better. 2. In the boiler water circulation system, when reverse circulation occurs, it will lead to (C). A. Tube rupture. B. An increase in circulation speed. C. Incomplete water circulation
1. The mixing conditions of fuel mist after evaporation with air are ( A ) worse than those of coal powder. A. 2. In the boiler water circulation system, when backflow occurs, it will result in (C) C. incomplete water circulation
1. The mixing conditions of fuel mist after evaporation with air are ( C ) compared to coal powder: A. worse. B. about the same. C. better. 2. In the boiler water circulation system, when backflow occurs, it will cause (C): A. tube rupture. B. an increase in circulation speed. C. incomplete water circulation
My answer: 1, C； ，2，C。
1. The mixing conditions of fuel mist after evaporation with air are (better) than those of coal powder. 2. In the boiler water circulation circuit, when backflow occurs, it will lead to (incomplete water circulation)
1. The mixing conditions of fuel mist after evaporation with air are ( C ) compared to coal powder: A. worse. B. about the same. C. better. 2. In the boiler water circulation system, when backflow occurs, it will cause (C): A. tube rupture. B. an increase in circulation speed. C. incomplete water circulation
1. The mixing conditions of fuel mist after evaporation with air are (better) than those of coal powder. 2. In the boiler water circulation circuit, when backflow occurs, it will lead to (incomplete water circulation)
1. The fuel mist, after evaporation, mixes with air under better conditions than coal dust. 2. In the boiler’s water circulation system, when backflow occurs, it leads to (incomplete water circulation)
1. The mixing conditions of fuel mist after evaporation with air are ( C ) compared to coal powder: A. worse. B. about the same. C. better. 2. In the boiler water circulation system, when backflow occurs, it will cause (C): A. tube rupture. B. an increase in circulation speed. C. incomplete water circulation