Illumination Which lamp has a negative Colour Rendering Index (CRI)? Low pressure sodium vapour Fluorescent High pressure sodium vapour LED Low pressure sodium vapour Fluorescent High pressure sodium vapour LED ANSWER DOWNLOAD EXAMIANS APP
Illumination The work of ballast in a fluorescent tube is to limit the flow of current. provide a kick start when voltage is induced. both ‘a’ and ‘b’. None of these. limit the flow of current. provide a kick start when voltage is induced. both ‘a’ and ‘b’. None of these. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? Incandescent Metal Halide Compact Fluorescent LED Incandescent Metal Halide Compact Fluorescent LED ANSWER DOWNLOAD EXAMIANS APP
Illumination Wave length for red colour is around 400 nm. 600 nm. 700 nm. 500 nm. 400 nm. 600 nm. 700 nm. 500 nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is lux. lumens. steradians. candela. lux. lumens. steradians. candela. 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