Illumination Wave length for red colour is around 700 nm. 400 nm. 500 nm. 600 nm. 700 nm. 400 nm. 500 nm. 600 nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which among the following lamps has the maximum burning hours? Metal halide. Incandescent. LED. Compact Fluorescent. Metal halide. Incandescent. LED. Compact Fluorescent. ANSWER DOWNLOAD EXAMIANS APP
Illumination Solid angle is expressed in terms of steredians. degree. radians / meter. radians. steredians. degree. radians / meter. radians. ANSWER DOWNLOAD EXAMIANS APP
Illumination In illumination technology total lumens emitted by source / total lumens available after waste of light is equal to waste light factor. absorption factor. beam factor. utilization factor. waste light factor. absorption factor. beam factor. utilization factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp is best suited for lighting an International sports arena? Metal Halide LED Compact Fluorescent Incandescent Metal Halide LED Compact Fluorescent Incandescent ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has the best Colour Rendering Index (CRI)? High pressure sodium vapour Fluorescent Incandescent LED High pressure sodium vapour Fluorescent Incandescent LED ANSWER DOWNLOAD EXAMIANS APP
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