a condition that exist when the flame burns back in the torch is called a a. explosion b. flash - back c…

a condition that exist when the flame burns back in the torch is called a a. explosion b. flash - back c. reverse flow d. burn - back
Answer
Brief Explanations:
In torch - related terminology, when the flame burns back in the torch, it is called a flash - back. An explosion is a more general and violent release of energy. Reverse flow is about the direction of fluid flow and not specifically the term for this flame - related condition. Burn - back is not the correct term for this phenomenon.
Answer:
B. Flash - back