SSC SSC JE Electrical 2025 Mock Test Series (Paper 1 & Paper 2) Utilization of Electrical Energy Illumination
In regard to installations of street lighting, what is the average illumination level of Class A1 installations used in important shopping centres and at road junctions?
1
30 lumens/m2
2
20 lumens/m2
3
10 lumens/m2
4
40 lumens/m2