The flame propagation velocities range from
A. 10 to 15 m/s
B. 15 to 70 m/s
C. 20 to 80 m/s
D. 30 to 90 m/s
Answer:A
The flame propagation velocities range from
A. 10 to 15 m/s B. 15 to 70 m/s C. 20 to 80 m/s D. 30 to 90 m/s
Explanation: None.