Illumination Which lamp has the best Colour Rendering Index (CRI)? LED Incandescent High pressure sodium vapour Fluorescent LED Incandescent High pressure sodium vapour Fluorescent ANSWER DOWNLOAD EXAMIANS APP
Illumination Wave length for red colour is around 500 nm. 600 nm. 700 nm. 400 nm. 500 nm. 600 nm. 700 nm. 400 nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination Luminous efficacy of a typical HPSV lamp is in between 40 - 70 lm/watt. 10 - 40 lm/watt 120 - 200 lm/watt. 70 - 120 lm/watt. 40 - 70 lm/watt. 10 - 40 lm/watt 120 - 200 lm/watt. 70 - 120 lm/watt. ANSWER DOWNLOAD EXAMIANS APP
Illumination What will be the total flux emitted by a source of 60 candle power? None of these. 60 lumens. 0.001326 lumens. 754.2 lumens. None of these. 60 lumens. 0.001326 lumens. 754.2 lumens. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp is best suited for lighting an International sports arena? Compact Fluorescent LED Metal Halide Incandescent Compact Fluorescent LED Metal Halide Incandescent ANSWER DOWNLOAD EXAMIANS APP
Illumination Total flux or lumens required in any lighting scheme depends inversely on None of these reduction factor. utilization factor. reflection factor. None of these reduction factor. utilization factor. reflection factor. ANSWER DOWNLOAD EXAMIANS APP