1.

The indoor illumination requirement for a building is 350 Lux. If the daylight factor is 2.7 and the design sky illuminance is 9000 Lux, then the required supplementary artificial lighting is ____________ Lux.

A. 107 to 107
B. 108 to 108
C. 109 to 109
D. 110 to 110
Answer» B. 108 to 108


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