Question 9010 of 844 · Washington 01 Journey Level Electrician Exam
A grain elevator handling flour and grain dust is classified as Class II, Group ____.
Exactly one answer is correct.
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Correct answer to question 9010
- B: G
Explanation
Group G includes combustible dusts not covered by Groups E and F, such as flour, grain, wood, plastic, and chemicals. Group E is metal dust and Group F is carbonaceous dust. Group D is a Class I gas group.
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