One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； Question 407
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This post was last edited by YongBu※YanQi on January 4, 2016, at 15:07. Fill-in-the-blank questions: The explosive range of acetylene mixed with air is 2.3%–81%. Among these concentrations, when the acetylene content is ( ), its explosiveness is at its maximum. The explosive range of acetylene mixed with oxygen is 2.5%–93%; among these, when the acetylene content is ( ), it becomes the most dangerous. Answer: 7%–13%, 30%
The explosive range for a mixture of acetylene gas and air is 2.3%–81%, with the highest explosiveness occurring when the acetylene content is 7%–13%. The explosive range for a mixture of acetylene gas and oxygen is 2.5%–93%, and the most dangerous condition occurs when the acetylene content is 30%.
The explosive range for a mixture of acetylene gas and air is 2.3%–81%, with the highest explosiveness occurring when the acetylene content is 7%–13%. The explosive range for a mixture of acetylene gas and oxygen is 2.5%–93%, and the most dangerous condition occurs when the acetylene content is 30%.
7%–13%, 30%
The explosive range for a mixture of acetylene gas and air is 2.3%–81%, with the highest explosiveness occurring when the acetylene concentration is between 7%–13%. The explosive range for a mixture of acetylene gas and oxygen is 2.5%–93%, and the most dangerous condition occurs when the acetylene concentration is 30%. Answer:
7%–13%, 30%
7%–13%, 30%
The explosive range for a mixture of acetylene gas and air is 2.3%–81%, with the highest explosiveness occurring when the acetylene content is 7%–13%. The explosive range for a mixture of acetylene gas and oxygen is 2.5%–93%, and the most dangerous condition occurs when the acetylene content is 30%.
7%–13%, 30%
7%–13%, 30%. All the answers are given; what’s the point of asking this question?
7%–13%, 30%