Illumination What will be the total flux emitted by a source of 60 candle power? 0.001326 lumens. None of these. 754.2 lumens. 60 lumens. 0.001326 lumens. None of these. 754.2 lumens. 60 lumens. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which among the following lamps has the maximum burning hours? LED. Incandescent. Compact Fluorescent. Metal halide. LED. Incandescent. Compact Fluorescent. Metal halide. ANSWER DOWNLOAD EXAMIANS APP
Illumination In illumination technology total lumens emitted by source / total lumens available after waste of light is equal to absorption factor. waste light factor. utilization factor. beam factor. absorption factor. waste light factor. utilization factor. beam factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination A 1000 W bulb fitted with a reflector illuminates an area of 3 m x 3 m with an average illumination of 450 lux. If the bulb has and efficiency of 9 lumens / watt the efficiency of the reflector is 70 %. 45 %. 20 %. 30 %. 70 %. 45 %. 20 %. 30 %. ANSWER DOWNLOAD EXAMIANS APP
Illumination Luminous efficiency of a fluorescence lamp is 30 lumens / watt. 70 lumens / watt. 40 lumens / watt. 60 lumens / watt. 30 lumens / watt. 70 lumens / watt. 40 lumens / watt. 60 lumens / watt. ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is lumens. steradians. candela. lux. lumens. steradians. candela. lux. ANSWER DOWNLOAD EXAMIANS APP
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