Question 40 of 200 tasco Exam

What is lower flammable limit?

A The concentration of a hydrocarbon gas in air below which there is insufficient hydrocarbon to support combustion Correct
B The limit where there is insufficient oxygen to support combustion
C The limit where there is too much oxygen to support combustion
D The limit for man entry of personnel into tanks

Answer & Explanation

The correct answer is Option A: The concentration of a hydrocarbon gas in air below which there is insufficient hydrocarbon to support combustion.

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