engineering recuitment UPPCL Technician Electrician 2022 Mock Test Electrician and Wireman Light and Illumination Illumination
__________ means degree of closeness of the color of lumens from the lamps to the standard lumen color.
1
CCT or Correlated Color Temperature
2
CCP or Correlated Color Pressure
3
CRI or Color Rendering Index
4
CCT or Coefficient Color Temperature