What does L/s stand for in ventilation measurement?

The correct answer is Liter per second. In the context of ventilation measurement, L/s is a standard unit used to express the flow rate of air. This measurement indicates the volume of air (in liters) that passes a specific point in a duct or ventilation system every second. Understanding this unit is crucial for determining whether a ventilation system provides adequate airflow for a kitchen or any other space, ensuring proper air quality and temperature regulation.

The other options relate to distinctly different areas: lumens per square meter pertains to light measurement, which is crucial for lighting design but not relevant to ventilation; light sources per second does not represent a standard measurement in any typical engineering or architectural contexts; and linearly spaced measurements refers to a method of spacing that is not applicable to airflow rates. Understanding these distinct definitions helps clarify the importance of proper ventilation design in a kitchen setting, ensuring a healthy and efficient environment.