Illumination Which lamps can be directly connected to a solar cell? Incandescent Compact Fluorescent LED Metal Halide Incandescent Compact Fluorescent LED Metal Halide ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp is best suited for lighting an International sports arena? LED Compact Fluorescent Incandescent Metal Halide LED Compact Fluorescent Incandescent Metal Halide ANSWER DOWNLOAD EXAMIANS APP
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 4 5 6 2 4 5 6 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. Utilization. Absorption factor. Depreciation. Maintenance. Utilization. Absorption factor. Depreciation. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela/metre square is the unit of which photometric quantity? Luminance Illuminance Luminous flux Luminous Intensity Luminance Illuminance Luminous flux Luminous Intensity ANSWER DOWNLOAD EXAMIANS APP
Illumination The illumination of the surface varies directly with cosine of the angle between normal to surface and direction of the inclined light is given by None of these both A and B. law of square inverse. Lambert’s cosine law. None of these both A and B. law of square inverse. Lambert’s cosine law. ANSWER DOWNLOAD EXAMIANS APP