【Standard Communication Version--One Question per Day】20170824
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The Code for Fire Protection Design of Buildings stipulates that no doors, windows, or openings should be provided in fire walls; if it is necessary to create such openings, then ___________________________ must be installed. Answer: There should be no doors, windows, or openings in the firewall; if such openings are necessary, they must be equipped with Class A fire doors and windows that cannot be opened or that can close automatically in case of a fire.
Class A fire doors and windows that cannot be opened or will automatically close in case of a fire.
Class A fire doors and windows that cannot be opened or will automatically close in case of a fire.
Class A fire doors and windows that cannot be opened or that can automatically close in case of a fire
Class A fire doors and windows that cannot be opened or that can automatically close in case of a fire
Class A fire doors and windows that cannot be opened or will automatically close in case of a fire.
Class A fire doors and windows that cannot be opened or that can automatically close in case of a fire
Class A fire doors and windows that cannot be opened or that can close automatically in case of a fire
Class A fire doors and windows that cannot be opened or that can automatically close in case of a fire
Class A fire doors and windows that cannot be opened or that can automatically close in case of a fire