ENADE Arquitetura E Urbanismo Practice Questions - ENADE Arquitetura E Urbanismo - Exame Nacional De Desempenho Dos Estudantes Exam

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In multi-story commercial buildings regulated by NBR 9077 (Saídas de emergência em edifícios) and state Fire Department Technical Instructions (Instruções Técnicas do Corpo de Bombeiros), what distinguishes an enclosed smoke-proof staircase (escada à prova de fumaça pressurizada ou com antecâmara) from a standard enclosed staircase (escada enclausurada protegida)?

Enclosed protected staircases require open external balconies on every floor, while smoke-proof staircases prohibit all doors. Smoke-proof staircases allow open elevator shafts inside the stairwell, whereas protected staircases mandate mechanical systems. Both staircases possess identical ventilation designs, differing exclusively in the fire resistance rating of the floor slabs. Smoke-proof staircases feature an anteroom (antecâmara ventilada) or mechanical pressurization to prevent smoke ingress.

Correct Answer:

Smoke-proof staircases feature an anteroom (antecâmara ventilada) or mechanical pressurization to prevent smoke ingress.

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