Question 9026 of 749 · Maryland Journeyperson Electrician Exam
In a major repair garage for gasoline vehicles without the specified mechanical ventilation, how is the floor area up to 18 in above the floor classified?
Exactly one answer is correct.
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Correct answer to question 9026
- C: Class I, Division 2
Explanation
Article 511 treats the area up to 18 in above the floor of a repair garage handling Class I liquids as Class I, Division 2 unless ventilation at the specified rate is provided. Gasoline vapors are heavier than air and collect near the floor.
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