NCIDQ IDFX Practice Exam

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What is the minimum space needed for each person sitting in a chair?

18 inches
24 inches
30 inches
36 inches

The correct answer is: 24 inches

The minimum space needed for each person sitting in a chair is 24 inches. This measurement ensures that individuals have enough room to sit comfortably, allowing for the necessary mobility and personal space while they are seated. It takes into account not only the width of an average chair but also the need for comfortable movement without encroaching on the personal space of adjacent individuals. This 24-inch standard is particularly important in various design contexts, such as in offices, restaurants, and public spaces, where the layout must accommodate the traffic flow of people moving around seated individuals. Establishing this minimum spacing helps prevent overcrowding and ensures a more enjoyable and functional environment for everyone.