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 13.5 lux. 17.5 lux. 18.5 lux. 12.5 lux. 13.5 lux. 17.5 lux. 18.5 lux. 12.5 lux. ANSWER DOWNLOAD EXAMIANS APP
Illumination Luminous efficiency of a fluorescence lamp is 40 lumens / watt. 30 lumens / watt. 70 lumens / watt. 60 lumens / watt. 40 lumens / watt. 30 lumens / watt. 70 lumens / watt. 60 lumens / watt. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? Compact Fluorescent Incandescent LED Metal Halide Compact Fluorescent Incandescent LED Metal Halide ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has the best Colour Rendering Index (CRI)? Fluorescent LED High pressure sodium vapour Incandescent Fluorescent LED High pressure sodium vapour Incandescent 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 200. 140. 150. 30 200. 140. 150. 30 ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamp has a negative Colour Rendering Index (CRI)? LED Low pressure sodium vapour Fluorescent High pressure sodium vapour LED Low pressure sodium vapour Fluorescent High pressure sodium vapour ANSWER DOWNLOAD EXAMIANS APP
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