What is a view factor?

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试卷: LEED v4 ID+C模拟题D卷英文[查看]
What is a view factor?
A: An hourly illuminance level at least 1,000 lux higher than any directly adjacent grid point
B: Ililluminance levels calculated at a point on a vertical surface or that occur on a vertical plane
C: That portion of exterior windows that permits views to the exterior (or an atrium)
D: A measure of the amount and quality of views within a 90-degree cone of vision from an individual workstation

参考答案: D

本题解释:
选择D，本题解释B.This is vertical illuminance C.This is vision glazing D.This is the correct definition. View factor is rated from 0 (poor quality) to 5 (high quality).