Question 1482 Deck General

70% to pass

Which of the flash points would indicate a grade D combustible liquid?

A 155°F
B 160°F
C 87°F
D 65°F
AI Explanation

The correct answer is C) 87°F. According to US Coast Guard regulations, a combustible liquid is defined as a liquid with a flash point at or above 100°F (37.8°C) and below 200°F (93.3°C). A grade D combustible liquid specifically has a flash point between 100°F (37.8°C) and 140°F (60°C), which includes the flash point of 87°F provided in option C. The other options are incorrect because 155°F is above the upper limit for a grade D combustible liquid, 160°F is above the upper limit, and 65°F is below the lower limit, so they do not meet the criteria for a grade D combustible liquid.

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