20. The room cavity ratio of a 30 x 40 ft room using flush-mounted luminaires, and having a ceiling height of 15 ft and
Posted: Fri Jul 08, 2022 6:24 am
20. The room cavity ratio of a 30 x 40 ft room using flush-mounted luminaires, and having a ceiling height of 15 ft and a work area 3 ft high, is A. 0.67. B. 0.75. C. 1.75. D. 3.50.