If you're joining us after receiving your InControl Newsletter Vol 1.2014 and are looking for the answers to the LFL I.Q. Test, you're in the right place. If you're just interested in testing your knowledge, you might like it here too.
Q2. When are continuous flammability (%LFL) monitors required to be used on heated processes?
a. Above 10% LFL
b. Above 25% LFL
c. Above 50% LFL
d. At 100% LFL
According to NFPA-86 “where safety ventilation rate in the oven has been designed to provide vapor concentrations between 25% and 50% of the LEL, a continuous vapor concentration high limit controller shall be provided.”
For more detailed information on NFPA 86 & LFL Read On.
Check back next week for the answer to Q3.