- A.7.74%～35.31%
- B.13.5%～88%
- C.40%～73.5%
- D.19%～71%
正确答案及解析
正确答案
A
解析
该燃气火焰传播极限为：L1=100/[15.34/22+58.98/11+19.9/5.0+5.77/2.0]=7.74%Lh=100/(15.34/68+58.98/75+19.9/15+5.77/11.7)=35.31%
该燃气火焰传播极限为：L1=100/[15.34/22+58.98/11+19.9/5.0+5.77/2.0]=7.74%Lh=100/(15.34/68+58.98/75+19.9/15+5.77/11.7)=35.31%
