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 Which cells in the eye are responsible for scotopic vision? Rod cells Cone cells Both ‘a’ and ‘b’ None of these Rod cells Cone cells Both ‘a’ and ‘b’ None of these ANSWER DOWNLOAD EXAMIANS APP
Illumination Total flux or lumens required in any lighting scheme depends inversely on reduction factor. None of these reflection factor. utilization factor. reduction factor. None of these reflection factor. utilization factor. 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 lamp is best suited for lighting an International sports arena? Compact Fluorescent Incandescent LED Metal Halide Compact Fluorescent Incandescent LED Metal Halide ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela/metre square is the unit of which photometric quantity? Luminance Luminous Intensity Luminous flux Illuminance Luminance Luminous Intensity Luminous flux Illuminance ANSWER DOWNLOAD EXAMIANS APP
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