Question

auve
Areas where flammable gases or vapors are or may
be present in the air in sufficient quantities to be
explosive or ignitable are classified as:
A.
Class
B.
Class II
C.
Class III​

Answer 1

Explanation:

Nature of Hazardous Substances

The gases and vapors of Class I locations are broken into four groups by the Code: A, B, C, and D. These materials are grouped according to the ignition temperature of the substance, its explosion pressure, and other flammable characteristics.