Illumination Candela is the unit of which? Luminous flux. Wavelength. Frequency. Luminous intensity. Luminous flux. Wavelength. Frequency. Luminous intensity. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which among the following lamps has the maximum burning hours? LED. Compact Fluorescent. Incandescent. Metal halide. LED. Compact Fluorescent. Incandescent. Metal halide. ANSWER DOWNLOAD EXAMIANS APP
Illumination What is the work of a driver in case of an LED? To convert AC to DC Both ‘a’ and ‘b’ None of these To convert DC to AC To convert AC to DC Both ‘a’ and ‘b’ None of these To convert DC to AC ANSWER DOWNLOAD EXAMIANS APP
Illumination Total flux or lumens required in any lighting scheme depends inversely on reflection factor. None of these reduction factor. utilization factor. reflection factor. None of these reduction factor. utilization factor. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has the best Colour Rendering Index (CRI)? Incandescent LED High pressure sodium vapour Fluorescent Incandescent LED High pressure sodium vapour Fluorescent ANSWER DOWNLOAD EXAMIANS APP
Illumination The illumination at a point 5 meters below a lamp in 6 lux. The candle power of the lamp is 140. 150. 30 200. 140. 150. 30 200. ANSWER DOWNLOAD EXAMIANS APP
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