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Questions and Answers
What factor is added to the illuminance equation to account for light being reflected back into the room?
What factor is added to the illuminance equation to account for light being reflected back into the room?
Which of the following is needed to calculate the Coefficient of Utilization (CU)?
Which of the following is needed to calculate the Coefficient of Utilization (CU)?
In lighting calculations, what does RCR stand for?
In lighting calculations, what does RCR stand for?
If a room has a floor area of 4m x 4m, and the work plane is 1m from the floor level, what is the RCR if the ceiling height is 3m and the width of the room is 4m?
If a room has a floor area of 4m x 4m, and the work plane is 1m from the floor level, what is the RCR if the ceiling height is 3m and the width of the room is 4m?
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What does Ceiling Cavity Height refer to in lighting calculations?
What does Ceiling Cavity Height refer to in lighting calculations?
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If the reflectance of wall is 60% and the reflectance of the ceiling is 80%, what coefficient should be calculated for the lighting system?
If the reflectance of wall is 60% and the reflectance of the ceiling is 80%, what coefficient should be calculated for the lighting system?
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In lighting calculations, what does E represent in the equation E = A Coefficient of Utilization?
In lighting calculations, what does E represent in the equation E = A Coefficient of Utilization?
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