Question 1559Deck General70% to pass
What is the minimum temperature required to ignite gas or vapor without a spark or flame being present called?
AI Explanation
The correct answer is B) autoignition temperature.
The autoignition temperature is the minimum temperature required to ignite a gas or vapor without the presence of a spark or flame. This is the temperature at which the substance will spontaneously ignite and combust, even in the absence of an external ignition source.
The other options are incorrect:
A) Flash point refers to the lowest temperature at which a liquid produces enough vapor to form an ignitable mixture with air.
C) Lower explosive limit is the lowest concentration of a gas or vapor in air that can result in an explosion.
D) Fire point is the lowest temperature at which a substance will continue to burn after being ignited.
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