Coefficient of utilization

efficiency of luminaire in transferring light energy

en-US/ˌkoʊəˈfɪʃənt ʌv ˌjutələˈzeɪʃən/
en-GB/ˌkəʊɪˈfɪʃənt əv ˌjuːtɪlaɪˈzeɪʃn/

ক্যাটাগরি:

coefficient