Question 985Deck General70% to pass
Which of the following defines flammable liquids for the purpose of U.S. regulations?
AI Explanation
The correct answer is D) liquids that give off flammable vapors at or below 80°F (27°C).
This is the correct definition of flammable liquids according to U.S. regulations. Flammable liquids are defined as those that have a flashpoint (the minimum temperature at which the liquid gives off sufficient vapor to form an ignitable mixture with air) at or below 80°F (27°C). This means the liquid can produce flammable vapors at normal ambient temperatures, posing a fire hazard.
The other options are incorrect because they do not fully capture the regulatory definition. Option A is too narrow, as it only considers liquids with a flashpoint above 80°F. Option B refers to vapor pressure, not flashpoint. Option C includes liquids that can sustain combustion, but does not specify the flashpoint criteria.
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