SG PPE Electrical
PEB Singapore Practice of Professional Engineering Examination (PPE) - Electrical Engineering
Lighting Energy EfficiencyEnglish
Exam overviewPractice session
A room has 60 luminaires, each delivering 3,000 lumens. Using a utilisation factor of 0.80, a maintenance factor of 0.60 and an area of 500 m2, what average maintained illuminance is predicted by the lumen method?
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