engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test Utilization of Electrical Energy Illumination
For precision work the illumination level required is of the order of
1
500 to 1000 lumens/m2
2
50 to 100 lumens/m2
3
200 to 400 lumens/m2
4
10 to 25 lumens/m2