Illumination Wave length for red colour is around 500 nm. 400 nm. 600 nm. 700 nm. 500 nm. 400 nm. 600 nm. 700 nm. ANSWER DOWNLOAD EXAMIANS APP
Illumination The work of ballast in a fluorescent tube is to both ‘a’ and ‘b’. None of these. provide a kick start when voltage is induced. limit the flow of current. both ‘a’ and ‘b’. None of these. provide a kick start when voltage is induced. limit the flow of current. ANSWER DOWNLOAD EXAMIANS APP
Illumination Illumination can be expressed in candela. lumens. radians. lux. candela. lumens. radians. lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp is best suited for lighting an International sports arena? LED Incandescent Metal Halide Compact Fluorescent LED Incandescent Metal Halide Compact Fluorescent ANSWER DOWNLOAD EXAMIANS APP
Illumination A 200 candle power lamp is hung 4 m above the centre of circular area of 5 m diameter. The illumination at centre of the area is 13.5 lux. 18.5 lux. 12.5 lux. 17.5 lux. 13.5 lux. 18.5 lux. 12.5 lux. 17.5 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination ___________________________ factor is defined as the ratio of the illumination when everything is clean to illumination under normal working conditions. Absorption factor. Utilization. Maintenance. Depreciation. Absorption factor. Utilization. Maintenance. Depreciation. ANSWER DOWNLOAD EXAMIANS APP