NCQLP LC Practice Questions - NCQLP Lighting Certified (LC) Exam

In the lumen (zonal-cavity) method, what does the Coefficient of Utilization (CU) represent?

The ratio of luminaire rated lumens to lamp rated lumens The fraction of lamp lumens that reaches the work plane The fraction of luminaire lumens that reaches the work plane, accounting for room geometry and surface reflectances The ratio of maintained to initial illuminance over the cleaning cycle

Correct Answer:

The fraction of luminaire lumens that reaches the work plane, accounting for room geometry and surface reflectances

Access more questions from this quiz

Continue to NCQLP LC Practice Questions - NCQLP Lighting Certified (LC) Exam for more practice questions and the full quiz experience.

Access More Questions