Illumination Which among the following lamps has the maximum burning hours? Compact Fluorescent. Metal halide. Incandescent. LED. Compact Fluorescent. Metal halide. Incandescent. LED. 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 6 5 4 2 6 5 4 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. Utilization. Absorption factor. Maintenance. Depreciation. Utilization. Absorption factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination Luminous efficacy of a typical HPSV lamp is in between 120 - 200 lm/watt. 70 - 120 lm/watt. 10 - 40 lm/watt 40 - 70 lm/watt. 120 - 200 lm/watt. 70 - 120 lm/watt. 10 - 40 lm/watt 40 - 70 lm/watt. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which cells in the eye are responsible for scotopic vision? None of these Cone cells Rod cells Both ‘a’ and ‘b’ None of these Cone cells Rod cells Both ‘a’ and ‘b’ ANSWER DOWNLOAD EXAMIANS APP
Illumination The range of visual spectrum is 300nm - 760nm. 480nm - 760nm. 480nm - 1000nm. 300nm - 1000nm. 300nm - 760nm. 480nm - 760nm. 480nm - 1000nm. 300nm - 1000nm. ANSWER DOWNLOAD EXAMIANS APP
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