Illumination In illumination technology total lumens emitted by source / total lumens available after waste of light is equal to beam factor. waste light factor. absorption factor. utilization factor. beam factor. waste light factor. absorption factor. utilization factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela/metre square is the unit of which photometric quantity? Illuminance Luminous flux Luminous Intensity Luminance Illuminance Luminous flux Luminous Intensity Luminance ANSWER DOWNLOAD EXAMIANS APP
Illumination Total flux or lumens required in any lighting scheme depends inversely on utilization factor. reflection factor. None of these reduction factor. utilization factor. reflection factor. None of these reduction factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination Unit of luminous flux is lumens. steradians. candela. lux. lumens. steradians. candela. lux. 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 17.5 lux. 13.5 lux. 12.5 lux. 18.5 lux. 17.5 lux. 13.5 lux. 12.5 lux. 18.5 lux. 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
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