Multiple Choice
The quantity of combustible dust that may be present and the ____ are factors that merit consideration in determining the classification and may result in an unclassified area.
A) adequacy of dust removal systems
B) potential for arcing
C) chemical composition of the dust
D) proximity of sprinkler systems
Correct Answer:
Verified
Correct Answer:
Verified
Q14: Additional seals apply to the _ of
Q15: Class III, Division 1 and 2 portable
Q16: The temperature marking for organic dusts that
Q17: Conduit/cable system seals minimize the passage of
Q18: Electrical wiring and electrical utilization equipment located
Q20: Hazardous (classified) locations divide atmospheric identifications for
Q21: Tensile stress at Type MI cable termination
Q22: Article 515 covers a property or portion
Q23: Class II locations are hazardous because of
Q24: Class II, Division 1 locations require interlocked