Question 6 of 30
The highest concentration of hydrocarbon gas in air below which there is sufficient amount of hydrocarbon gas to support combustion is called:
A
A) Upper Flammable limit
B
B) Lower Flammable limit
C
C) Ignitable mixture
D
D) None of the above
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Answer & Explanation
The correct answer is Option A: A) Upper Flammable limit.
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