Illumination What will be the number of lamps, each having 300 lumens, required to obtain an average illuminance of 50 lux on a 4m × 3m rectangular room? 2 6 4 5 2 6 4 5 ANSWER DOWNLOAD EXAMIANS APP
Illumination Solid angle is expressed in terms of radians. radians / meter. degree. steredians. radians. radians / meter. degree. steredians. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? Metal Halide LED Incandescent Compact Fluorescent Metal Halide LED Incandescent Compact Fluorescent ANSWER DOWNLOAD EXAMIANS APP
Illumination Which cells in the eye are responsible for scotopic vision? Rod cells Both ‘a’ and ‘b’ Cone cells None of these Rod cells Both ‘a’ and ‘b’ Cone cells None of these ANSWER DOWNLOAD EXAMIANS APP
Illumination The range of visual spectrum is 300nm - 1000nm. 480nm - 760nm. 480nm - 1000nm. 300nm - 760nm. 300nm - 1000nm. 480nm - 760nm. 480nm - 1000nm. 300nm - 760nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination ___________________________ factor is defined as the ratio of the illumination when everything is clean to illumination under normal working conditions. Maintenance. Depreciation. Absorption factor. Utilization. Maintenance. Depreciation. Absorption factor. Utilization. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS