Asked by Madison Dixon on May 06, 2024
Verified
The lower explosion limit (LEL) for a fuel is what?
A) The lowest ratio of fuel to water at which a mixture can propagate a flame
B) The lowest ratio of fuel to air at which a mixture can propagate a flame
C) The lowest ratio of air to combustible solid at which a mixture will combust
D) The lowest ratio of air to liquid at which a solid mixture will combust
Lower Explosion Limit (LEL)
The lowest concentration of a particular gas or vapor in air that can produce a flash of fire in presence of an ignition source.
Propagate
To reproduce, spread, or increase in number, often used in the context of plants (via seeds or cuttings) and ideas or information.
- Apprehend the essential aspects of fuel-air explosives, with emphasis on detonation triggers and the limits to explosion capacities.
Verified Answer
ZK
Zybrea KnightMay 06, 2024
Final Answer :
B
Explanation :
The lower explosion limit (LEL) refers to the lowest concentration of a gas or vapor in air that will combust or explode if an ignition source is present. It is specifically related to the ratio of fuel to air, not to water, solids, or liquids in other contexts.
Learning Objectives
- Apprehend the essential aspects of fuel-air explosives, with emphasis on detonation triggers and the limits to explosion capacities.