If you're joining us after receiving your InControl Newsletter Vol1.2014 and are looking for the answers to the LFL I.Q. Test, today's your lucky day! If you're just interested in testing your knowledge, then its not a bad day for you either.
Q1. What is the definition of %LFL?
a. The lowest flammable concentration of a gas in air in which a flame can be propagated when given a source of ignition.
b. The lowest flammable concentration of a gas in air in which a flame can be ignited when given a source of ignition.
c. The lowest flammable concentration of a gas in air in which solvents begin to vaporize?
d. The lowest flammable concentration of gas in air within which a flame cannot burn?
Answer: a
The lowest flammable concentration of a gas in air in which a flame can be propagated when given a source of ignition. This is also called 100% LFL and can be used interchangeably with %LEL (Lower Explosive Limit).
For more information on %LFL, read on.
Check back next week for the answer to Q2.
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