Illumination Which among the following lamps has the maximum burning hours? Compact Fluorescent. Metal halide. LED. Incandescent. Compact Fluorescent. Metal halide. LED. Incandescent. ANSWER DOWNLOAD EXAMIANS APP
Illumination What is the ratio of illuminance at a point 5m just below a lamp emitting 100 candelas and at a point 5m away from the first point on the same horizontal plane? 1: 2√2 2√2 : 1 1:2 2:1 1: 2√2 2√2 : 1 1:2 2:1 ANSWER DOWNLOAD EXAMIANS APP
Illumination What will be the total flux emitted by a source of 60 candle power? 0.001326 lumens. 754.2 lumens. 60 lumens. None of these. 0.001326 lumens. 754.2 lumens. 60 lumens. None of these. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp is best suited for lighting an International sports arena? Incandescent Compact Fluorescent Metal Halide LED Incandescent Compact Fluorescent Metal Halide LED 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 12.5 lux. 17.5 lux. 13.5 lux. 18.5 lux. 12.5 lux. 17.5 lux. 13.5 lux. 18.5 lux. 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
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